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BOSTON MARATHON 2025

Christopher Thomas

Bib: 3746•M

TN

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 3%
Gender (Male)
#0 / 16105
Top 5%
Division (M18-39)
#0 / 5642
Top 13%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:35
Rank: #1022
Start → 5K
18:35 | 5:59/mi
10K· 6.21 mi
37:11
Rank: #1023 (-1)
5K → 10K
18:36 | 5:59/mi
15K· 9.32 mi
56:04
Rank: #1092 (-69)
10K → 15K
18:53 | 6:05/mi
20K· 12.43 mi
1:14:54
Rank: #1068 (+24)
15K → 20K
18:50 | 6:04/mi
Half· 13.11 mi
1:18:58
Rank: #1063 (+5)
20K → Half
4:04 | 5:58/mi
25K· 15.53 mi
1:33:46
Rank: #1047 (+16)
Half → 25K
14:48 | 6:06/mi
30K· 18.64 mi
1:53:27
Rank: #1081 (-34)
25K → 30K
19:41 | 6:20/mi
20M
2:02:09
Rank: #1065 (+16)
30K → 20M
8:42 | 6:24/mi
21M
2:08:53
Rank: #1051 (+14)
20M → 21M
6:44 | 6:44/mi
35K· 21.75 mi
2:13:27
Rank: #1033 (+18)
21M → 35K
4:34 | 6:06/mi
23M
2:21:15
Rank: #977 (+56)
35K → 23M
7:48 | 6:14/mi
24M
2:27:11
Rank: #947 (+30)
23M → 24M
5:56 | 5:56/mi
40K· 24.85 mi
2:32:29
Rank: #923 (+24)
24M → 40K
5:18 | 6:12/mi
25.2M
2:34:50
Rank: #918 (+5)
40K → 25.2M
2:21 | 6:49/mi
Finish· 26.22 mi
2:41:11
Rank: #923 (-5)
25.2M → Finish
6:21 | 6:14/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:18:58
Pace6:01 /mi
2nd Half
Distance13.11 mi
Time1:22:13
Pace6:16 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:21:3218:355:5918:35
5:59
-
10K
6.21 mi10:40:0837:115:5918:36
5:59
0:00
15K
9.32 mi10:59:0156:046:0118:53
6:05
+0:06
20K
12.43 mi11:17:511:14:546:0218:50
6:04
-0:01
Half
13.11 mi11:21:551:18:586:014:04
5:58
-0:06
25K
15.53 mi11:36:431:33:466:0214:48
6:06
+0:08
30K
18.64 mi11:56:241:53:276:0519:41
6:20
+0:14
20M
20.00 mi12:05:062:02:096:068:42
6:24
+0:04
21M
21.00 mi12:11:502:08:536:086:44
6:44
+0:20
35K
21.75 mi12:16:242:13:276:084:34
6:06
-0:38
23M
23.00 mi12:24:122:21:156:087:48
6:14
+0:08
24M
24.00 mi12:30:082:27:116:085:56
5:56
-0:18
40K
24.85 mi12:35:262:32:296:085:18
6:12
+0:16
25.2M
25.20 mi12:37:472:34:506:092:21
6:49
+0:37
Finish
26.22 mi12:44:082:41:116:096:21
6:14
-0:35

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

5:56 /mi

Average Pace

6:09 /mi

Slowest Pace

6:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:32:06

94% of race

Time at Steady Pace

9:05

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:09 /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 mi10:21:3218:355:5918:35
5:59
#1022
10K
6.21 mi10:40:0837:115:5918:36
5:59
#1023
15K
9.32 mi10:59:0156:046:0118:53
6:05
#1092
20K
12.43 mi11:17:511:14:546:0218:50
6:04
#1068
Half
13.11 mi11:21:551:18:586:014:04
5:58
#1063
25K
15.53 mi11:36:431:33:466:0214:48
6:06
#1047
30K
18.64 mi11:56:241:53:276:0519:41
6:20
#1081
20M
20.00 mi12:05:062:02:096:068:42
6:24
#1065
21M
21.00 mi12:11:502:08:536:086:44
6:44
#1051
35K
21.75 mi12:16:242:13:276:084:34
6:06
#1033
23M
23.00 mi12:24:122:21:156:087:48
6:14
#977
24M
24.00 mi12:30:082:27:116:085:56
5:56
#947
40K
24.85 mi12:35:262:32:296:085:18
6:12
#923
25.2M
25.20 mi12:37:472:34:506:092:21
6:49
#918
Finish
26.22 mi12:44:082:41:116:096:21
6:14
#923
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi10229639631285(Top 5%)1220(Top 8%)1220(Top 22%)
10K6.21 mi3.10 mi1023-19639631068(Top 4%)1007(Top 6%)1007(Top 18%)
15K9.32 mi3.11 mi1092-691031-681031-681285(Top 5%)1220(Top 8%)1220(Top 22%)
20K12.43 mi3.11 mi1068+241008+231008+231041(Top 4%)980(Top 6%)980(Top 17%)
Half13.11 mi0.68 mi1063+51003+51003+51008(Top 4%)955(Top 6%)955(Top 17%)
25K15.53 mi2.42 mi1047+16986+17986+171103(Top 4%)1039(Top 6%)1039(Top 18%)
30K18.64 mi3.11 mi1081-341019-331019-331311(Top 5%)1238(Top 8%)1238(Top 22%)
20M20.00 mi1.36 mi1065+161003+161003+161242(Top 4%)1173(Top 7%)1173(Top 21%)
21M21.00 mi1.00 mi1051+14990+13990+131284(Top 5%)1213(Top 8%)1213(Top 21%)
35K21.75 mi0.75 mi1033+18972+18972+18955(Top 3%)898(Top 6%)898(Top 16%)
23M23.00 mi1.25 mi977+56919+53919+53731(Top 3%)690(Top 4%)690(Top 12%)
24M24.00 mi1.00 mi947+30890+29890+29463(Top 2%)429(Top 3%)429(Top 8%)
40K24.85 mi0.85 mi923+24866+24866+24723(Top 3%)678(Top 4%)678(Top 12%)
25.2M25.20 mi0.35 mi918+5861+5861+5989(Top 3%)907(Top 6%)907(Top 16%)
Finish26.22 mi1.02 mi923-5866-5866-51602(Top 6%)1486(Top 9%)1486(Top 26%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1285

Males

1220

M18-39

1220

5K→10K

3.1 - 6.2 mi

Top 4%
×5stories
+79ft-138ft

Overall

1068

Males

1007

M18-39

1007

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1285

Males

1220

M18-39

1220

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1041

Males

980

M18-39

980

20K→Half

12.4 - 13.1 mi

Top 4%
×2stories
+19ft-37ft

Overall

1008

Males

955

M18-39

955

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1103

Males

1039

M18-39

1039

25K→30K

15.5 - 18.6 mi

Top 5%
×9stories
+181ft-148ft

Overall

1311

Males

1238

M18-39

1238

30K→20M

18.6 - 20.0 mi

Top 4%
×5stories
+64ft-50ft

Overall

1242

Males

1173

M18-39

1173

20M→21M

20.0 - 21.0 mi

Top 5%
×8stories
+106ft-24ft

Overall

1284

Males

1213

M18-39

1213

21M→35K

21.0 - 21.8 mi

Top 3%
×7stories
+17ft-86ft

Overall

955

Males

898

M18-39

898

35K→23M

21.8 - 23.0 mi

Top 3%
×5stories
+23ft-63ft

Overall

731

Males

690

M18-39

690

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

463

Males

429

M18-39

429

24M→40K

24.0 - 24.9 mi

Top 3%
×1story
+6ft-20ft

Overall

723

Males

678

M18-39

678

40K→25.2M

24.9 - 25.2 mi

Top 3%
×1story
+13ft-16ft

Overall

989

Males

907

M18-39

907

25.2M→Finish

25.2 - 26.2 mi

Top 6%
×2stories
+22ft-21ft

Overall

1602

Males

1486

M18-39

1486

Passing Analysis

Category:
Athletes Passed
421
Passed By
322
Net Change
+99
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1022
5K → 10K4344-1#1022#1023
10K → 15K1584-69#1023#1092
15K → 20K4420+24#1092#1068
20K → Half94+5#1068#1063
Half → 25K3317+16#1063#1047
25K → 30K4074-34#1047#1081
30K → 20M3418+16#1081#1065
20M → 21M2713+14#1065#1051
21M → 35K257+18#1051#1033
35K → 23M626+56#1033#977
23M → 24M322+30#977#947
24M → 40K317+24#947#923
40K → 25.2M94+5#923#918
25.2M → Finish1722-5#918#923
TOTALS421322+99
📊

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