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BOSTON MARATHON 2026

William Loomis

Bib: 25492•M

MD

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0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Gender (Male)
#0 / 16340
Masters (Masters Men)
#0 / 10617
Age Group (M70-74)
#0 / 281
Top 14%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
27:54
3.11 mi
Rank: #22566
Start → 5K
27:54 | 8:59/mi
10K
56:05
6.21 mi
Rank: #22854 (-288)
5K → 10K
28:11 | 9:05/mi
15K
1:22:54
9.32 mi
Rank: #22232 (+622)
10K → 15K
26:49 | 8:38/mi
20K
1:51:00
12.43 mi
Rank: #22176 (+56)
15K → 20K
28:06 | 9:03/mi
HALF
1:56:49
13.11 mi
Rank: #22094 (+82)
20K → HALF
5:49 | 8:32/mi
25K
2:17:55
15.53 mi
Rank: #21684 (+410)
HALF → 25K
21:06 | 8:43/mi
30K
2:46:09
18.64 mi
Rank: #21362 (+322)
25K → 30K
28:14 | 9:06/mi
20M
2:58:09
20.00 mi
Rank: #21105 (+257)
30K → 20M
12:00 | 8:51/mi
21M
3:07:31
21.00 mi
Rank: #20949 (+156)
20M → 21M
9:22 | 9:22/mi
35K
3:13:34
21.75 mi
Rank: #20747 (+202)
21M → 35K
6:03 | 8:06/mi
23M
3:24:08
23.00 mi
Rank: #20492 (+255)
35K → 23M
10:34 | 8:27/mi
24M
3:32:17
24.00 mi
Rank: #20284 (+208)
23M → 24M
8:09 | 8:09/mi
40K
3:39:13
24.85 mi
Rank: #20064 (+220)
24M → 40K
6:56 | 8:07/mi
25.2M
3:42:21
25.20 mi
Rank: #19994 (+70)
40K → 25.2M
3:08 | 9:06/mi
FINISH
3:50:22
26.22 mi
Rank: #19800 (+194)
25.2M → FINISH
8:01 | 7:53/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st Half
via HALF
Distance13.11 mi
Time1:56:49
Pace8:55 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:53:33
Pace8:40 /mi
📊Negative Split: 2.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:35:3927:548:5927:54
8:59
-
10K
6.21 mi12:03:5056:059:0228:11
9:05
+0:06
15K
9.32 mi12:30:391:22:548:5426:49
8:38
-0:27
20K
12.43 mi12:58:451:51:008:5628:06
9:03
+0:25
HALF
13.11 mi13:04:341:56:498:555:49
8:32
-0:31
25K
15.53 mi13:25:402:17:558:5321:06
8:43
+0:11
30K
18.64 mi13:53:542:46:098:5528:14
9:06
+0:23
20M
20.00 mi14:05:542:58:098:5512:00
8:51
-0:15
21M
21.00 mi14:15:163:07:318:569:22
9:22
+0:31
35K
21.75 mi14:21:193:13:348:556:03
8:06
-1:16
23M
23.00 mi14:31:533:24:088:5310:34
8:27
+0:21
24M
24.00 mi14:40:023:32:178:518:09
8:09
-0:18
40K
24.85 mi14:46:583:39:138:506:56
8:07
-0:02
25.2M
25.20 mi14:50:063:42:218:503:08
9:06
+0:59
FINISH
26.22 mi14:58:073:50:228:488:01
7:53
-1:13

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

7:53 /mi

Average Pace

8:48 /mi

Slowest Pace

9:22 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:12:21

31% of race

Time at Steady Pace

2:28:39

65% of race

Time at Slower Pace

9:22

4% of race

Average Pace: 8:47 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:35:3927:548:5927:54
8:59
#22566
10K
6.21 mi12:03:5056:059:0228:11
9:05
#22854
15K
9.32 mi12:30:391:22:548:5426:49
8:38
#22232
20K
12.43 mi12:58:451:51:008:5628:06
9:03
#22176
HALF
13.11 mi13:04:341:56:498:555:49
8:32
#22094
25K
15.53 mi13:25:402:17:558:5321:06
8:43
#21684
30K
18.64 mi13:53:542:46:098:5528:14
9:06
#21362
20M
20.00 mi14:05:542:58:098:5512:00
8:51
#21105
21M
21.00 mi14:15:163:07:318:569:22
9:22
#20949
35K
21.75 mi14:21:193:13:348:556:03
8:06
#20747
23M
23.00 mi14:31:533:24:088:5310:34
8:27
#20492
24M
24.00 mi14:40:023:32:178:518:09
8:09
#20284
40K
24.85 mi14:46:583:39:138:506:56
8:07
#20064
25.2M
25.20 mi14:50:063:42:218:503:08
9:06
#19994
FINISH
26.22 mi14:58:073:50:228:488:01
7:53
#19800
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM70-74Seg. OverallSeg. MalesSeg. M70-74
5K3.11 mi3.11 mi22566135091350920823(Top 72%)12717(Top 78%)12717(Top 4526%)
10K6.21 mi3.10 mi22854-28813678-16913678-16923124(Top 80%)13804(Top 84%)13804(Top 4912%)
15K9.32 mi3.11 mi22232+62213369+30913369+30920823(Top 72%)12717(Top 78%)12717(Top 4526%)
20K12.43 mi3.11 mi22176+5613337+3213337+3222115(Top 76%)13301(Top 81%)13301(Top 4733%)
HALF13.11 mi0.68 mi22094+8213293+4413293+4420397(Top 70%)12505(Top 77%)12505(Top 4450%)
25K15.53 mi2.42 mi21684+41013088+20513088+20519711(Top 68%)12121(Top 74%)12121(Top 4314%)
30K18.64 mi3.11 mi21362+32212917+17112917+17120000(Top 69%)12180(Top 75%)12180(Top 4335%)
20M20.00 mi1.36 mi21105+25712770+14712770+14718136(Top 62%)11241(Top 69%)11241(Top 4000%)
21M21.00 mi1.00 mi20949+15612690+8012690+8017927(Top 62%)11113(Top 68%)11113(Top 3955%)
35K21.75 mi0.75 mi20747+20212581+10912581+10915062(Top 52%)9808(Top 60%)9808(Top 3490%)
23M23.00 mi1.25 mi20492+25512448+13312448+13315340(Top 53%)9847(Top 60%)9847(Top 3504%)
24M24.00 mi1.00 mi20284+20812331+11712331+11714750(Top 51%)9509(Top 58%)9509(Top 3384%)
40K24.85 mi0.85 mi20064+22012199+13212199+13213196(Top 45%)8730(Top 53%)8730(Top 3107%)
25.2M25.20 mi0.35 mi19994+7012156+4312156+4315198(Top 52%)9613(Top 59%)9613(Top 3421%)
FINISH26.22 mi1.02 mi19800+19412060+9612060+9614255(Top 49%)9173(Top 56%)9173(Top 3264%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 72%
×21
+97ft-345ft

Overall

20823

Males

12717

M70-74

12717

5K→10K

3.1 - 6.2 mi

Top 80%
×5
+79ft-138ft

Overall

23124

Males

13804

M70-74

13804

10K→15K

6.2 - 9.3 mi

Top 72%
×3
+67ft-78ft

Overall

20823

Males

12717

M70-74

12717

15K→20K

9.3 - 12.4 mi

Top 76%
×5
+106ft-86ft

Overall

22115

Males

13301

M70-74

13301

20K→HALF

12.4 - 13.1 mi

Top 70%
×2
+19ft-37ft

Overall

20397

Males

12505

M70-74

12505

HALF→25K

13.1 - 15.5 mi

Top 68%
×4
+66ft-88ft

Overall

19711

Males

12121

M70-74

12121

25K→30K

15.5 - 18.6 mi

Top 69%
×9
+181ft-148ft

Overall

20000

Males

12180

M70-74

12180

30K→20M

18.6 - 20.0 mi

Top 62%
×5
+64ft-50ft

Overall

18136

Males

11241

M70-74

11241

20M→21M

20.0 - 21.0 mi

Top 62%
×8
+106ft-24ft

Overall

17927

Males

11113

M70-74

11113

21M→35K

21.0 - 21.8 mi

Top 52%
×7
+17ft-86ft

Overall

15062

Males

9808

M70-74

9808

35K→23M

21.8 - 23.0 mi

Top 53%
×5
+23ft-63ft

Overall

15340

Males

9847

M70-74

9847

23M→24M

23.0 - 24.0 mi

Top 51%
×6
+12ft-82ft

Overall

14750

Males

9509

M70-74

9509

24M→40K

24.0 - 24.9 mi

Top 45%
×1
+6ft-20ft

Overall

13196

Males

8730

M70-74

8730

40K→25.2M

24.9 - 25.2 mi

Top 52%
×1
+13ft-16ft

Overall

15198

Males

9613

M70-74

9613

25.2M→FINISH

25.2 - 26.2 mi

Top 49%
×2
+22ft-21ft

Overall

14255

Males

9173

M70-74

9173

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3400
Passed By
634
Net Change
+2766
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#22566
5K → 10K143431-288#22566#22854
10K → 15K64523+622#22854#22232
15K → 20K183127+56#22232#22176
20K → HALF842+82#22176#22094
HALF → 25K4155+410#22094#21684
25K → 30K34624+322#21684#21362
30K → 20M2581+257#21362#21105
20M → 21M16711+156#21105#20949
21M → 35K2020+202#20949#20747
35K → 23M2583+255#20747#20492
23M → 24M2102+208#20492#20284
24M → 40K2211+220#20284#20064
40K → 25.2M711+70#20064#19994
25.2M → FINISH1973+194#19994#19800
TOTALS3400634+2766
📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Export & Support

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Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing