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BOSTON MARATHON 2026

Sloan Alexander

Bib: 8608•M

CT

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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 (M45-49)
#0 / 2413
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
25:25
3.11 mi
Rank: #18104
Start → 5K
25:25 | 8:11/mi
10K
50:49
6.21 mi
Rank: #18266 (-162)
5K → 10K
25:24 | 8:11/mi
15K
1:16:23
9.32 mi
Rank: #18347 (-81)
10K → 15K
25:34 | 8:14/mi
20K
1:42:32
12.43 mi
Rank: #18476 (-129)
15K → 20K
26:09 | 8:26/mi
HALF
1:48:10
13.11 mi
Rank: #18489 (-13)
20K → HALF
5:38 | 8:16/mi
25K
2:08:50
15.53 mi
Rank: #18491 (-2)
HALF → 25K
20:40 | 8:32/mi
30K
2:37:20
18.64 mi
Rank: #18831 (-340)
25K → 30K
28:30 | 9:11/mi
20M
2:50:58
20.00 mi
Rank: #19270 (-439)
30K → 20M
13:38 | 10:03/mi
21M
3:02:24
21.00 mi
Rank: #19730 (-460)
20M → 21M
11:26 | 11:26/mi
35K
3:09:39
21.75 mi
Rank: #19873 (-143)
21M → 35K
7:15 | 9:42/mi
23M
3:22:01
23.00 mi
Rank: #20079 (-206)
35K → 23M
12:22 | 9:53/mi
24M
3:31:30
24.00 mi
Rank: #20122 (-43)
23M → 24M
9:29 | 9:29/mi
40K
3:39:45
24.85 mi
Rank: #20163 (-41)
24M → 40K
8:15 | 9:39/mi
25.2M
3:43:21
25.20 mi
Rank: #20179 (-16)
40K → 25.2M
3:36 | 10:27/mi
FINISH
3:52:32
26.22 mi
Rank: #20190 (-11)
25.2M → FINISH
9:11 | 9:01/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:48:10
Pace8:16 /mi
2nd Half
Distance13.11 mi
Time2:04:22
Pace9:30 /mi
📊Positive Split: 15.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:43:1825:258:1125:25
8:11
-
10K
6.21 mi11:08:4250:498:1125:24
8:11
0:00
15K
9.32 mi11:34:161:16:238:1225:34
8:14
+0:03
20K
12.43 mi12:00:251:42:328:1626:09
8:26
+0:12
HALF
13.11 mi12:06:031:48:108:165:38
8:16
-0:10
25K
15.53 mi12:26:432:08:508:1820:40
8:32
+0:16
30K
18.64 mi12:55:132:37:208:2728:30
9:11
+0:39
20M
20.00 mi13:08:512:50:588:3313:38
10:03
+0:52
21M
21.00 mi13:20:173:02:248:4211:26
11:26
+1:23
35K
21.75 mi13:27:323:09:398:447:15
9:42
-1:44
23M
23.00 mi13:39:543:22:018:4812:22
9:53
+0:11
24M
24.00 mi13:49:233:31:308:499:29
9:29
-0:24
40K
24.85 mi13:57:383:39:458:518:15
9:39
+0:10
25.2M
25.20 mi14:01:143:43:218:523:36
10:27
+0:48
FINISH
26.22 mi14:10:253:52:328:539:11
9:01
-1:26

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

8:11 /mi

Average Pace

8:53 /mi

Slowest Pace

11:26 /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

2:08:50

55% of race

Time at Steady Pace

55:25

24% of race

Time at Slower Pace

48:17

21% of race

Average Pace: 8:52 /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 mi10:43:1825:258:1125:25
8:11
#18104
10K
6.21 mi11:08:4250:498:1125:24
8:11
#18266
15K
9.32 mi11:34:161:16:238:1225:34
8:14
#18347
20K
12.43 mi12:00:251:42:328:1626:09
8:26
#18476
HALF
13.11 mi12:06:031:48:108:165:38
8:16
#18489
25K
15.53 mi12:26:432:08:508:1820:40
8:32
#18491
30K
18.64 mi12:55:132:37:208:2728:30
9:11
#18831
20M
20.00 mi13:08:512:50:588:3313:38
10:03
#19270
21M
21.00 mi13:20:173:02:248:4211:26
11:26
#19730
35K
21.75 mi13:27:323:09:398:447:15
9:42
#19873
23M
23.00 mi13:39:543:22:018:4812:22
9:53
#20079
24M
24.00 mi13:49:233:31:308:499:29
9:29
#20122
40K
24.85 mi13:57:383:39:458:518:15
9:39
#20163
25.2M
25.20 mi14:01:143:43:218:523:36
10:27
#20179
FINISH
26.22 mi14:10:253:52:328:539:11
9:01
#20190
Faster pace
Steady pace
Slower pace

Rankings

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM45-49Seg. OverallSeg. MalesSeg. M45-49
5K3.11 mi3.11 mi18104114641146418535(Top 64%)11677(Top 71%)11677(Top 484%)
10K6.21 mi3.10 mi18266-16211541-7711541-7718430(Top 64%)11645(Top 71%)11645(Top 483%)
15K9.32 mi3.11 mi18347-8111588-4711588-4718535(Top 64%)11677(Top 71%)11677(Top 484%)
20K12.43 mi3.11 mi18476-12911652-6411652-6418826(Top 65%)11772(Top 72%)11772(Top 488%)
HALF13.11 mi0.68 mi18489-1311646+611646+618778(Top 65%)11785(Top 72%)11785(Top 488%)
25K15.53 mi2.42 mi18491-211631+1511631+1518700(Top 64%)11663(Top 71%)11663(Top 483%)
30K18.64 mi3.11 mi18831-34011739-10811739-10820388(Top 70%)12362(Top 76%)12362(Top 512%)
20M20.00 mi1.36 mi19270-43911915-17611915-17622668(Top 78%)13384(Top 82%)13384(Top 555%)
21M21.00 mi1.00 mi19730-46012100-18512100-18524035(Top 83%)13950(Top 85%)13950(Top 578%)
35K21.75 mi0.75 mi19873-14312165-6512165-6522310(Top 77%)13114(Top 80%)13114(Top 543%)
23M23.00 mi1.25 mi20079-20612249-8412249-8421785(Top 75%)12806(Top 78%)12806(Top 531%)
24M24.00 mi1.00 mi20122-4312251-212251-221268(Top 73%)12511(Top 77%)12511(Top 518%)
40K24.85 mi0.85 mi20163-4112246+512246+520879(Top 72%)12287(Top 75%)12287(Top 509%)
25.2M25.20 mi0.35 mi20179-1612252-612252-620834(Top 72%)12264(Top 75%)12264(Top 508%)
FINISH26.22 mi1.02 mi20190-1112245+712245+720550(Top 71%)12128(Top 74%)12128(Top 503%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21
+97ft-345ft

Overall

18535

Males

11677

M45-49

11677

5K→10K

3.1 - 6.2 mi

Top 64%
×5
+79ft-138ft

Overall

18430

Males

11645

M45-49

11645

10K→15K

6.2 - 9.3 mi

Top 64%
×3
+67ft-78ft

Overall

18535

Males

11677

M45-49

11677

15K→20K

9.3 - 12.4 mi

Top 65%
×5
+106ft-86ft

Overall

18826

Males

11772

M45-49

11772

20K→HALF

12.4 - 13.1 mi

Top 65%
×2
+19ft-37ft

Overall

18778

Males

11785

M45-49

11785

HALF→25K

13.1 - 15.5 mi

Top 64%
×4
+66ft-88ft

Overall

18700

Males

11663

M45-49

11663

25K→30K

15.5 - 18.6 mi

Top 70%
×9
+181ft-148ft

Overall

20388

Males

12362

M45-49

12362

30K→20M

18.6 - 20.0 mi

Top 78%
×5
+64ft-50ft

Overall

22668

Males

13384

M45-49

13384

20M→21M

20.0 - 21.0 mi

Top 83%
×8
+106ft-24ft

Overall

24035

Males

13950

M45-49

13950

21M→35K

21.0 - 21.8 mi

Top 77%
×7
+17ft-86ft

Overall

22310

Males

13114

M45-49

13114

35K→23M

21.8 - 23.0 mi

Top 75%
×5
+23ft-63ft

Overall

21785

Males

12806

M45-49

12806

23M→24M

23.0 - 24.0 mi

Top 73%
×6
+12ft-82ft

Overall

21268

Males

12511

M45-49

12511

24M→40K

24.0 - 24.9 mi

Top 72%
×1
+6ft-20ft

Overall

20879

Males

12287

M45-49

12287

40K→25.2M

24.9 - 25.2 mi

Top 72%
×1
+13ft-16ft

Overall

20834

Males

12264

M45-49

12264

25.2M→FINISH

25.2 - 26.2 mi

Top 71%
×2
+22ft-21ft

Overall

20550

Males

12128

M45-49

12128

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
994
Passed By
3080
Net Change
-2086
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18104
5K → 10K207369-162#18104#18266
10K → 15K146227-81#18266#18347
15K → 20K132261-129#18347#18476
20K → HALF2033-13#18476#18489
HALF → 25K128130-2#18489#18491
25K → 30K96436-340#18491#18831
30K → 20M25464-439#18831#19270
20M → 21M21481-460#19270#19730
21M → 35K18161-143#19730#19873
35K → 23M33239-206#19873#20079
23M → 24M5295-43#20079#20122
24M → 40K4990-41#20122#20163
40K → 25.2M1430-16#20163#20179
25.2M → FINISH5364-11#20179#20190
TOTALS9943080-2086
📊

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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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing