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BOSTON MARATHON 2025

Andrew Williams

Bib: 4791•M

AB

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 20%
Gender (Male)
#0 / 16105
Top 31%
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
20:28
Rank: #4501
Start → 5K
20:28 | 6:35/mi
10K· 6.21 mi
40:55
Rank: #4384 (+117)
5K → 10K
20:27 | 6:35/mi
15K· 9.32 mi
1:01:32
Rank: #4420 (-36)
10K → 15K
20:37 | 6:38/mi
20K· 12.43 mi
1:22:24
Rank: #4413 (+7)
15K → 20K
20:52 | 6:43/mi
Half· 13.11 mi
1:26:58
Rank: #4440 (-27)
20K → Half
4:34 | 6:42/mi
25K· 15.53 mi
1:44:44
Rank: #5189 (-749)
Half → 25K
17:46 | 7:20/mi
30K· 18.64 mi
2:07:25
Rank: #5482 (-293)
25K → 30K
22:41 | 7:18/mi
20M
2:17:46
Rank: #5659 (-177)
30K → 20M
10:21 | 7:37/mi
21M
2:25:30
Rank: #5631 (+28)
20M → 21M
7:44 | 7:44/mi
35K· 21.75 mi
2:31:16
Rank: #5735 (-104)
21M → 35K
5:46 | 7:42/mi
23M
2:40:32
Rank: #5680 (+55)
35K → 23M
9:16 | 7:24/mi
24M
2:47:47
Rank: #5643 (+37)
23M → 24M
7:15 | 7:15/mi
40K· 24.85 mi
2:54:26
Rank: #5676 (-33)
24M → 40K
6:39 | 7:47/mi
25.2M
2:57:13
Rank: #5638 (+38)
40K → 25.2M
2:47 | 8:04/mi
Finish· 26.22 mi
3:04:28
Rank: #5630 (+8)
25.2M → Finish
7:15 | 7:07/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:58
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:37:30
Pace7:26 /mi
📊Positive Split: 12.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:2620:286:3520:28
6:35
-
10K
6.21 mi10:45:5340:556:3520:27
6:35
0:00
15K
9.32 mi11:06:301:01:326:3620:37
6:38
+0:03
20K
12.43 mi11:27:221:22:246:3820:52
6:43
+0:05
Half
13.11 mi11:31:561:26:586:384:34
6:42
-0:01
25K
15.53 mi11:49:421:44:446:4517:46
7:20
+0:38
30K
18.64 mi12:12:232:07:256:5022:41
7:18
-0:02
20M
20.00 mi12:22:442:17:466:5310:21
7:37
+0:19
21M
21.00 mi12:30:282:25:306:567:44
7:44
+0:07
35K
21.75 mi12:36:142:31:166:575:46
7:42
-0:02
23M
23.00 mi12:45:302:40:326:599:16
7:24
-0:18
24M
24.00 mi12:52:452:47:476:597:15
7:15
-0:09
40K
24.85 mi12:59:242:54:267:016:39
7:47
+0:32
25.2M
25.20 mi13:02:112:57:137:022:47
8:04
+0:17
Finish
26.22 mi13:09:263:04:287:027:15
7:07
-0:57

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

6:35 /mi

Average Pace

7:02 /mi

Slowest Pace

8:04 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:26:58

47% of race

Time at Steady Pace

1:04:13

35% of race

Time at Slower Pace

33:17

18% of race

Average Pace: 7:02 /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 mi10:25:2620:286:3520:28
6:35
#4501
10K
6.21 mi10:45:5340:556:3520:27
6:35
#4384
15K
9.32 mi11:06:301:01:326:3620:37
6:38
#4420
20K
12.43 mi11:27:221:22:246:3820:52
6:43
#4413
Half
13.11 mi11:31:561:26:586:384:34
6:42
#4440
25K
15.53 mi11:49:421:44:446:4517:46
7:20
#5189
30K
18.64 mi12:12:232:07:256:5022:41
7:18
#5482
20M
20.00 mi12:22:442:17:466:5310:21
7:37
#5659
21M
21.00 mi12:30:282:25:306:567:44
7:44
#5631
35K
21.75 mi12:36:142:31:166:575:46
7:42
#5735
23M
23.00 mi12:45:302:40:326:599:16
7:24
#5680
24M
24.00 mi12:52:452:47:476:597:15
7:15
#5643
40K
24.85 mi12:59:242:54:267:016:39
7:47
#5676
25.2M
25.20 mi13:02:112:57:137:022:47
8:04
#5638
Finish
26.22 mi13:09:263:04:287:027:15
7:07
#5630
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi4501423342334558(Top 16%)4269(Top 27%)4269(Top 76%)
10K6.21 mi3.10 mi4384+1174123+1104123+1104327(Top 15%)4065(Top 25%)4065(Top 72%)
15K9.32 mi3.11 mi4420-364156-334156-334558(Top 16%)4269(Top 27%)4269(Top 76%)
20K12.43 mi3.11 mi4413+74140+164140+164592(Top 16%)4270(Top 27%)4270(Top 76%)
Half13.11 mi0.68 mi4440-274165-254165-255258(Top 19%)4853(Top 30%)4853(Top 86%)
25K15.53 mi2.42 mi5189-7494806-6414806-6418552(Top 30%)7074(Top 44%)7074(Top 125%)
30K18.64 mi3.11 mi5482-2935021-2155021-2156458(Top 23%)5622(Top 35%)5622(Top 100%)
20M20.00 mi1.36 mi5659-1775160-1395160-1397776(Top 27%)6297(Top 39%)6297(Top 112%)
21M21.00 mi1.00 mi5631+285127+335127+335833(Top 21%)4952(Top 31%)4952(Top 88%)
35K21.75 mi0.75 mi5735-1045198-715198-7110084(Top 36%)7394(Top 46%)7394(Top 131%)
23M23.00 mi1.25 mi5680+555133+655133+656054(Top 21%)4999(Top 31%)4999(Top 89%)
24M24.00 mi1.00 mi5643+375089+445089+446115(Top 22%)4992(Top 31%)4992(Top 88%)
40K24.85 mi0.85 mi5676-335098-95098-98573(Top 30%)6280(Top 39%)6280(Top 111%)
25.2M25.20 mi0.35 mi5638+385061+375061+376282(Top 22%)4915(Top 31%)4915(Top 87%)
Finish26.22 mi1.02 mi5630+85044+175044+176460(Top 23%)5018(Top 31%)5018(Top 89%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4558

Males

4269

M18-39

4269

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4327

Males

4065

M18-39

4065

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4558

Males

4269

M18-39

4269

15K→20K

9.3 - 12.4 mi

Top 16%
×5stories
+106ft-86ft

Overall

4592

Males

4270

M18-39

4270

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5258

Males

4853

M18-39

4853

Half→25K

13.1 - 15.5 mi

Top 30%
×4stories
+66ft-88ft

Overall

8552

Males

7074

M18-39

7074

25K→30K

15.5 - 18.6 mi

Top 23%
×9stories
+181ft-148ft

Overall

6458

Males

5622

M18-39

5622

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7776

Males

6297

M18-39

6297

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5833

Males

4952

M18-39

4952

21M→35K

21.0 - 21.8 mi

Top 36%
×7stories
+17ft-86ft

Overall

10084

Males

7394

M18-39

7394

35K→23M

21.8 - 23.0 mi

Top 21%
×5stories
+23ft-63ft

Overall

6054

Males

4999

M18-39

4999

23M→24M

23.0 - 24.0 mi

Top 22%
×6stories
+12ft-82ft

Overall

6115

Males

4992

M18-39

4992

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8573

Males

6280

M18-39

6280

40K→25.2M

24.9 - 25.2 mi

Top 22%
×1story
+13ft-16ft

Overall

6282

Males

4915

M18-39

4915

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2stories
+22ft-21ft

Overall

6460

Males

5018

M18-39

5018

Passing Analysis

Category:
Athletes Passed
977
Passed By
2106
Net Change
-1129
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4501
5K → 10K20891+117#4501#4384
10K → 15K86122-36#4384#4420
15K → 20K10194+7#4420#4413
20K → Half1037-27#4413#4440
Half → 25K21770-749#4440#5189
25K → 30K104397-293#5189#5482
30K → 20M31208-177#5482#5659
20M → 21M7850+28#5659#5631
21M → 35K17121-104#5631#5735
35K → 23M10045+55#5735#5680
23M → 24M7639+37#5680#5643
24M → 40K4578-33#5643#5676
40K → 25.2M5012+38#5676#5638
25.2M → Finish5042+8#5638#5630
TOTALS9772106-1129
📊

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