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BOSTON MARATHON 2026

Gregory Thomas

Bib: 21231•M

TX

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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 7%
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
24:06
3.11 mi
Rank: #15056
Start → 5K
24:06 | 7:46/mi
10K
48:24
6.21 mi
Rank: #15384 (-328)
5K → 10K
24:18 | 7:50/mi
15K
1:12:52
9.32 mi
Rank: #15559 (-175)
10K → 15K
24:28 | 7:53/mi
20K
1:37:31
12.43 mi
Rank: #15531 (+28)
15K → 20K
24:39 | 7:57/mi
HALF
1:42:52
13.11 mi
Rank: #15536 (-5)
20K → HALF
5:21 | 7:51/mi
25K
2:02:30
15.53 mi
Rank: #15650 (-114)
HALF → 25K
19:38 | 8:06/mi
30K
2:28:52
18.64 mi
Rank: #15872 (-222)
25K → 30K
26:22 | 8:30/mi
20M
2:40:39
20.00 mi
Rank: #16002 (-130)
30K → 20M
11:47 | 8:41/mi
21M
2:50:13
21.00 mi
Rank: #16151 (-149)
20M → 21M
9:34 | 9:34/mi
35K
2:57:26
21.75 mi
Rank: #16457 (-306)
21M → 35K
7:13 | 9:39/mi
23M
3:09:45
23.00 mi
Rank: #16879 (-422)
35K → 23M
12:19 | 9:51/mi
24M
3:20:01
24.00 mi
Rank: #17336 (-457)
23M → 24M
10:16 | 10:16/mi
40K
3:28:54
24.85 mi
Rank: #17670 (-334)
24M → 40K
8:53 | 10:24/mi
25.2M
3:32:44
25.20 mi
Rank: #17797 (-127)
40K → 25.2M
3:50 | 11:07/mi
FINISH
3:41:56
26.22 mi
Rank: #17936 (-139)
25.2M → FINISH
9:12 | 9:02/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:42:52
Pace7:51 /mi
2nd Half
Distance13.11 mi
Time1:59:04
Pace9:05 /mi
📊Positive Split: 15.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:10:0924:067:4624:06
7:46
-
10K
6.21 mi11:34:2748:247:4824:18
7:50
+0:04
15K
9.32 mi11:58:551:12:527:5024:28
7:53
+0:03
20K
12.43 mi12:23:341:37:317:5124:39
7:57
+0:04
HALF
13.11 mi12:28:551:42:527:515:21
7:51
-0:06
25K
15.53 mi12:48:332:02:307:5419:38
8:06
+0:15
30K
18.64 mi13:14:552:28:528:0026:22
8:30
+0:24
20M
20.00 mi13:26:422:40:398:0211:47
8:41
+0:11
21M
21.00 mi13:36:162:50:138:079:34
9:34
+0:53
35K
21.75 mi13:43:292:57:268:107:13
9:39
+0:05
23M
23.00 mi13:55:483:09:458:1612:19
9:51
+0:12
24M
24.00 mi14:06:043:20:018:2110:16
10:16
+0:25
40K
24.85 mi14:14:573:28:548:258:53
10:24
+0:08
25.2M
25.20 mi14:18:473:32:448:273:50
11:07
+0:43
FINISH
26.22 mi14:27:593:41:568:299:12
9:02
-2:05

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

7:46 /mi

Average Pace

8:28 /mi

Slowest Pace

11:07 /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

2:02:30

55% of race

Time at Steady Pace

47:21

21% of race

Time at Slower Pace

52:05

23% of race

Average Pace: 8:28 /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 mi11:10:0924:067:4624:06
7:46
#15056
10K
6.21 mi11:34:2748:247:4824:18
7:50
#15384
15K
9.32 mi11:58:551:12:527:5024:28
7:53
#15559
20K
12.43 mi12:23:341:37:317:5124:39
7:57
#15531
HALF
13.11 mi12:28:551:42:527:515:21
7:51
#15536
25K
15.53 mi12:48:332:02:307:5419:38
8:06
#15650
30K
18.64 mi13:14:552:28:528:0026:22
8:30
#15872
20M
20.00 mi13:26:422:40:398:0211:47
8:41
#16002
21M
21.00 mi13:36:162:50:138:079:34
9:34
#16151
35K
21.75 mi13:43:292:57:268:107:13
9:39
#16457
23M
23.00 mi13:55:483:09:458:1612:19
9:51
#16879
24M
24.00 mi14:06:043:20:018:2110:16
10:16
#17336
40K
24.85 mi14:14:573:28:548:258:53
10:24
#17670
25.2M
25.20 mi14:18:473:32:448:273:50
11:07
#17797
FINISH
26.22 mi14:27:593:41:568:299:12
9:02
#17936
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 mi15056102771027715967(Top 55%)10577(Top 65%)10577(Top 3764%)
10K6.21 mi3.10 mi15384-32810374-9710374-9715819(Top 55%)10547(Top 65%)10547(Top 3753%)
15K9.32 mi3.11 mi15559-17510418-4410418-4415967(Top 55%)10577(Top 65%)10577(Top 3764%)
20K12.43 mi3.11 mi15531+2810389+2910389+2915617(Top 54%)10401(Top 64%)10401(Top 3701%)
HALF13.11 mi0.68 mi15536-510390-110390-115920(Top 55%)10578(Top 65%)10578(Top 3764%)
25K15.53 mi2.42 mi15650-11410427-3710427-3716082(Top 55%)10549(Top 65%)10549(Top 3754%)
30K18.64 mi3.11 mi15872-22210478-5110478-5116836(Top 58%)10763(Top 66%)10763(Top 3830%)
20M20.00 mi1.36 mi16002-13010516-3810516-3817248(Top 59%)10860(Top 66%)10860(Top 3865%)
21M21.00 mi1.00 mi16151-14910550-3410550-3418768(Top 65%)11494(Top 70%)11494(Top 4090%)
35K21.75 mi0.75 mi16457-30610688-13810688-13822176(Top 76%)13047(Top 80%)13047(Top 4643%)
23M23.00 mi1.25 mi16879-42210839-15110839-15121670(Top 75%)12757(Top 78%)12757(Top 4540%)
24M24.00 mi1.00 mi17336-45711007-16811007-16823512(Top 81%)13613(Top 83%)13613(Top 4844%)
40K24.85 mi0.85 mi17670-33411138-13111138-13122916(Top 79%)13259(Top 81%)13259(Top 4719%)
25.2M25.20 mi0.35 mi17797-12711175-3711175-3722618(Top 78%)13117(Top 80%)13117(Top 4668%)
FINISH26.22 mi1.02 mi17936-13911226-5111226-5120609(Top 71%)12155(Top 74%)12155(Top 4326%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21
+97ft-345ft

Overall

15967

Males

10577

M70-74

10577

5K→10K

3.1 - 6.2 mi

Top 55%
×5
+79ft-138ft

Overall

15819

Males

10547

M70-74

10547

10K→15K

6.2 - 9.3 mi

Top 55%
×3
+67ft-78ft

Overall

15967

Males

10577

M70-74

10577

15K→20K

9.3 - 12.4 mi

Top 54%
×5
+106ft-86ft

Overall

15617

Males

10401

M70-74

10401

20K→HALF

12.4 - 13.1 mi

Top 55%
×2
+19ft-37ft

Overall

15920

Males

10578

M70-74

10578

HALF→25K

13.1 - 15.5 mi

Top 55%
×4
+66ft-88ft

Overall

16082

Males

10549

M70-74

10549

25K→30K

15.5 - 18.6 mi

Top 58%
×9
+181ft-148ft

Overall

16836

Males

10763

M70-74

10763

30K→20M

18.6 - 20.0 mi

Top 59%
×5
+64ft-50ft

Overall

17248

Males

10860

M70-74

10860

20M→21M

20.0 - 21.0 mi

Top 65%
×8
+106ft-24ft

Overall

18768

Males

11494

M70-74

11494

21M→35K

21.0 - 21.8 mi

Top 76%
×7
+17ft-86ft

Overall

22176

Males

13047

M70-74

13047

35K→23M

21.8 - 23.0 mi

Top 75%
×5
+23ft-63ft

Overall

21670

Males

12757

M70-74

12757

23M→24M

23.0 - 24.0 mi

Top 81%
×6
+12ft-82ft

Overall

23512

Males

13613

M70-74

13613

24M→40K

24.0 - 24.9 mi

Top 79%
×1
+6ft-20ft

Overall

22916

Males

13259

M70-74

13259

40K→25.2M

24.9 - 25.2 mi

Top 78%
×1
+13ft-16ft

Overall

22618

Males

13117

M70-74

13117

25.2M→FINISH

25.2 - 26.2 mi

Top 71%
×2
+22ft-21ft

Overall

20609

Males

12155

M70-74

12155

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
984
Passed By
2485
Net Change
-2880
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15056
5K → 10K159200-328#15056#15384
10K → 15K148200-175#15384#15559
15K → 20K181153+28#15559#15531
20K → HALF3641-5#15531#15536
HALF → 25K106200-114#15536#15650
25K → 30K131200-222#15650#15872
30K → 20M52182-130#15872#16002
20M → 21M61200-149#16002#16151
21M → 35K20200-306#16151#16457
35K → 23M24200-422#16457#16879
23M → 24M14200-457#16879#17336
24M → 40K9200-334#17336#17670
40K → 25.2M10137-127#17670#17797
25.2M → FINISH33172-139#17797#17936
TOTALS9842485-2880
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing