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BOSTON MARATHON 2025

Thomas Summers

Bib: 32026•M

GA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 49%
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
27:09
Rank: #21188
Start → 5K
27:09 | 8:44/mi
10K· 6.21 mi
52:20
Rank: #19371 (+1817)
5K → 10K
25:11 | 8:06/mi
15K· 9.32 mi
1:17:03
Rank: #18190 (+1181)
10K → 15K
24:43 | 7:57/mi
20K· 12.43 mi
1:41:48
Rank: #17285 (+905)
15K → 20K
24:45 | 7:58/mi
Half· 13.11 mi
1:47:12
Rank: #17177 (+108)
20K → Half
5:24 | 7:55/mi
25K· 15.53 mi
2:06:44
Rank: #16691 (+486)
Half → 25K
19:32 | 8:03/mi
30K· 18.64 mi
2:32:11
Rank: #15967 (+724)
25K → 30K
25:27 | 8:11/mi
20M
2:43:24
Rank: #15624 (+343)
30K → 20M
11:13 | 8:15/mi
21M
2:51:54
Rank: #15294 (+330)
20M → 21M
8:30 | 8:30/mi
35K· 21.75 mi
2:57:39
Rank: #15072 (+222)
21M → 35K
5:45 | 7:41/mi
23M
3:07:37
Rank: #14712 (+360)
35K → 23M
9:58 | 7:58/mi
24M
3:15:24
Rank: #14490 (+222)
23M → 24M
7:47 | 7:47/mi
40K· 24.85 mi
3:22:08
Rank: #14274 (+216)
24M → 40K
6:44 | 7:53/mi
25.2M
3:25:06
Rank: #14185 (+89)
40K → 25.2M
2:58 | 8:36/mi
Finish· 26.22 mi
3:32:35
Rank: #13914 (+271)
25.2M → Finish
7:29 | 7:21/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:47:12
Pace8:11 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:45:23
Pace8:02 /mi
📊Negative Split: 1.7% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:5527:098:4427:09
8:44
-
10K
6.21 mi12:16:0652:208:2525:11
8:06
-0:38
15K
9.32 mi12:40:491:17:038:1624:43
7:57
-0:09
20K
12.43 mi13:05:341:41:488:1124:45
7:58
+0:01
Half
13.11 mi13:10:581:47:128:115:24
7:55
-0:03
25K
15.53 mi13:30:302:06:448:0919:32
8:03
+0:08
30K
18.64 mi13:55:572:32:118:1025:27
8:11
+0:08
20M
20.00 mi14:07:102:43:248:1011:13
8:15
+0:04
21M
21.00 mi14:15:402:51:548:118:30
8:30
+0:15
35K
21.75 mi14:21:252:57:398:105:45
7:41
-0:49
23M
23.00 mi14:31:233:07:378:099:58
7:58
+0:17
24M
24.00 mi14:39:103:15:248:097:47
7:47
-0:11
40K
24.85 mi14:45:543:22:088:086:44
7:53
+0:06
25.2M
25.20 mi14:48:523:25:068:082:58
8:36
+0:43
Finish
26.22 mi14:56:213:32:358:077:29
7:21
-1:15

Checkpoints & Pacing

📈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

7:21 /mi

Average Pace

8:07 /mi

Slowest Pace

8:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:52:07

53% of race

Time at Steady Pace

1:13:19

34% of race

Time at Slower Pace

27:09

13% of race

Average Pace: 8:06 /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

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:50:5527:098:4427:09
8:44
#21188
10K
6.21 mi12:16:0652:208:2525:11
8:06
#19371
15K
9.32 mi12:40:491:17:038:1624:43
7:57
#18190
20K
12.43 mi13:05:341:41:488:1124:45
7:58
#17285
Half
13.11 mi13:10:581:47:128:115:24
7:55
#17177
25K
15.53 mi13:30:302:06:448:0919:32
8:03
#16691
30K
18.64 mi13:55:572:32:118:1025:27
8:11
#15967
20M
20.00 mi14:07:102:43:248:1011:13
8:15
#15624
21M
21.00 mi14:15:402:51:548:118:30
8:30
#15294
35K
21.75 mi14:21:252:57:398:105:45
7:41
#15072
23M
23.00 mi14:31:233:07:378:099:58
7:58
#14712
24M
24.00 mi14:39:103:15:248:097:47
7:47
#14490
40K
24.85 mi14:45:543:22:088:086:44
7:53
#14274
25.2M
25.20 mi14:48:523:25:068:082:58
8:36
#14185
Finish
26.22 mi14:56:213:32:358:077:29
7:21
#13914
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi21188129381293815691(Top 55%)10677(Top 66%)10677(Top 189%)
10K6.21 mi3.10 mi19371+181712209+72912209+72917227(Top 61%)11336(Top 70%)11336(Top 201%)
15K9.32 mi3.11 mi18190+118111696+51311696+51315691(Top 55%)10677(Top 66%)10677(Top 189%)
20K12.43 mi3.11 mi17285+90511326+37011326+37014645(Top 52%)10153(Top 63%)10153(Top 180%)
Half13.11 mi0.68 mi17177+10811277+4911277+4915147(Top 53%)10393(Top 65%)10393(Top 184%)
25K15.53 mi2.42 mi16691+48611061+21611061+21614306(Top 50%)9892(Top 61%)9892(Top 175%)
30K18.64 mi3.11 mi15967+72410719+34210719+34212765(Top 45%)9036(Top 56%)9036(Top 160%)
20M20.00 mi1.36 mi15624+34310529+19010529+19012168(Top 43%)8610(Top 53%)8610(Top 153%)
21M21.00 mi1.00 mi15294+33010359+17010359+17010471(Top 37%)7609(Top 47%)7609(Top 135%)
35K21.75 mi0.75 mi15072+22210247+11210247+1129979(Top 35%)7379(Top 46%)7379(Top 131%)
23M23.00 mi1.25 mi14712+36010063+18410063+1849743(Top 34%)7111(Top 44%)7111(Top 126%)
24M24.00 mi1.00 mi14490+2229939+1249939+1249685(Top 34%)7017(Top 44%)7017(Top 124%)
40K24.85 mi0.85 mi14274+2169805+1349805+1349301(Top 33%)6694(Top 42%)6694(Top 119%)
25.2M25.20 mi0.35 mi14185+899757+489757+489430(Top 33%)6682(Top 41%)6682(Top 118%)
Finish26.22 mi1.02 mi13914+2719602+1559602+1558077(Top 28%)5962(Top 37%)5962(Top 106%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

15691

Males

10677

M18-39

10677

5K→10K

3.1 - 6.2 mi

Top 61%
×5stories
+79ft-138ft

Overall

17227

Males

11336

M18-39

11336

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

15691

Males

10677

M18-39

10677

15K→20K

9.3 - 12.4 mi

Top 52%
×5stories
+106ft-86ft

Overall

14645

Males

10153

M18-39

10153

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

15147

Males

10393

M18-39

10393

Half→25K

13.1 - 15.5 mi

Top 50%
×4stories
+66ft-88ft

Overall

14306

Males

9892

M18-39

9892

25K→30K

15.5 - 18.6 mi

Top 45%
×9stories
+181ft-148ft

Overall

12765

Males

9036

M18-39

9036

30K→20M

18.6 - 20.0 mi

Top 43%
×5stories
+64ft-50ft

Overall

12168

Males

8610

M18-39

8610

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

10471

Males

7609

M18-39

7609

21M→35K

21.0 - 21.8 mi

Top 35%
×7stories
+17ft-86ft

Overall

9979

Males

7379

M18-39

7379

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

9743

Males

7111

M18-39

7111

23M→24M

23.0 - 24.0 mi

Top 34%
×6stories
+12ft-82ft

Overall

9685

Males

7017

M18-39

7017

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9301

Males

6694

M18-39

6694

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9430

Males

6682

M18-39

6682

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

8077

Males

5962

M18-39

5962

Passing Analysis

Category:
Athletes Passed
7329
Passed By
55
Net Change
+7274
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#21188
5K → 10K18258+1817#21188#19371
10K → 15K11876+1181#19371#18190
15K → 20K9061+905#18190#17285
20K → Half1102+108#17285#17177
Half → 25K4915+486#17177#16691
25K → 30K7306+724#16691#15967
30K → 20M3485+343#15967#15624
20M → 21M3355+330#15624#15294
21M → 35K2253+222#15294#15072
35K → 23M3644+360#15072#14712
23M → 24M2264+222#14712#14490
24M → 40K2204+216#14490#14274
40K → 25.2M901+89#14274#14185
25.2M → Finish2721+271#14185#13914
TOTALS732955+7274
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing