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BOSTON MARATHON 2025

Robert Williams

Bib: 32293•M

NY

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 50%
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
28:44
Rank: #23383
Start → 5K
28:44 | 9:15/mi
10K· 6.21 mi
56:16
Rank: #22638 (+745)
5K → 10K
27:32 | 8:52/mi
15K· 9.32 mi
1:20:57
Rank: #20671 (+1967)
10K → 15K
24:41 | 7:57/mi
20K· 12.43 mi
1:44:48
Rank: #18844 (+1827)
15K → 20K
23:51 | 7:41/mi
Half· 13.11 mi
1:49:51
Rank: #18510 (+334)
20K → Half
5:03 | 7:24/mi
25K· 15.53 mi
2:08:18
Rank: #17336 (+1174)
Half → 25K
18:27 | 7:37/mi
30K· 18.64 mi
2:33:06
Rank: #16297 (+1039)
25K → 30K
24:48 | 7:59/mi
20M
2:44:09
Rank: #15917 (+380)
30K → 20M
11:03 | 8:08/mi
21M
2:52:45
Rank: #15581 (+336)
20M → 21M
8:36 | 8:36/mi
35K· 21.75 mi
2:58:18
Rank: #15285 (+296)
21M → 35K
5:33 | 7:25/mi
23M
3:08:16
Rank: #14910 (+375)
35K → 23M
9:58 | 7:58/mi
24M
3:15:47
Rank: #14597 (+313)
23M → 24M
7:31 | 7:31/mi
40K· 24.85 mi
3:22:31
Rank: #14368 (+229)
24M → 40K
6:44 | 7:53/mi
25.2M
3:25:28
Rank: #14280 (+88)
40K → 25.2M
2:57 | 8:33/mi
Finish· 26.22 mi
3:33:17
Rank: #14116 (+164)
25.2M → Finish
7:49 | 7:40/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:49:51
Pace8:23 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:43:26
Pace7:53 /mi
📊Negative Split: 5.8% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:5528:449:1528:44
9:15
-
10K
6.21 mi12:21:2756:169:0327:32
8:52
-0:23
15K
9.32 mi12:46:081:20:578:4124:41
7:57
-0:55
20K
12.43 mi13:09:591:44:488:2623:51
7:41
-0:16
Half
13.11 mi13:15:021:49:518:235:03
7:24
-0:17
25K
15.53 mi13:33:292:08:188:1618:27
7:37
+0:13
30K
18.64 mi13:58:172:33:068:1324:48
7:59
+0:22
20M
20.00 mi14:09:202:44:098:1211:03
8:08
+0:09
21M
21.00 mi14:17:562:52:458:148:36
8:36
+0:28
35K
21.75 mi14:23:292:58:188:125:33
7:25
-1:11
23M
23.00 mi14:33:273:08:168:119:58
7:58
+0:33
24M
24.00 mi14:40:583:15:478:097:31
7:31
-0:27
40K
24.85 mi14:47:423:22:318:096:44
7:53
+0:22
25.2M
25.20 mi14:50:393:25:288:092:57
8:33
+0:40
Finish
26.22 mi14:58:283:33:178:087:49
7:40
-0:53

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

7:24 /mi

Average Pace

8:08 /mi

Slowest Pace

9:15 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

44:23

21% of race

Time at Steady Pace

1:41:05

47% of race

Time at Slower Pace

1:07:49

32% of race

Average Pace: 8:08 /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 mi11:53:5528:449:1528:44
9:15
#23383
10K
6.21 mi12:21:2756:169:0327:32
8:52
#22638
15K
9.32 mi12:46:081:20:578:4124:41
7:57
#20671
20K
12.43 mi13:09:591:44:488:2623:51
7:41
#18844
Half
13.11 mi13:15:021:49:518:235:03
7:24
#18510
25K
15.53 mi13:33:292:08:188:1618:27
7:37
#17336
30K
18.64 mi13:58:172:33:068:1324:48
7:59
#16297
20M
20.00 mi14:09:202:44:098:1211:03
8:08
#15917
21M
21.00 mi14:17:562:52:458:148:36
8:36
#15581
35K
21.75 mi14:23:292:58:188:125:33
7:25
#15285
23M
23.00 mi14:33:273:08:168:119:58
7:58
#14910
24M
24.00 mi14:40:583:15:478:097:31
7:31
#14597
40K
24.85 mi14:47:423:22:318:096:44
7:53
#14368
25.2M
25.20 mi14:50:393:25:288:092:57
8:33
#14280
Finish
26.22 mi14:58:283:33:178:087:49
7:40
#14116
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi23383139401394015600(Top 55%)10640(Top 66%)10640(Top 189%)
10K6.21 mi3.10 mi22638+74513615+32513615+32521690(Top 76%)13212(Top 82%)13212(Top 234%)
15K9.32 mi3.11 mi20671+196712764+85112764+85115600(Top 55%)10640(Top 66%)10640(Top 189%)
20K12.43 mi3.11 mi18844+182711972+79211972+79212192(Top 43%)9060(Top 56%)9060(Top 161%)
Half13.11 mi0.68 mi18510+33411835+13711835+13710890(Top 38%)8515(Top 53%)8515(Top 151%)
25K15.53 mi2.42 mi17336+117411324+51111324+51110849(Top 38%)8323(Top 52%)8323(Top 148%)
30K18.64 mi3.11 mi16297+103910836+48810836+48811252(Top 40%)8316(Top 52%)8316(Top 147%)
20M20.00 mi1.36 mi15917+38010653+18310653+18311334(Top 40%)8213(Top 51%)8213(Top 146%)
21M21.00 mi1.00 mi15581+33610470+18310470+18311093(Top 39%)7926(Top 49%)7926(Top 140%)
35K21.75 mi0.75 mi15285+29610342+12810342+1288070(Top 28%)6355(Top 39%)6355(Top 113%)
23M23.00 mi1.25 mi14910+37510157+18510157+1859744(Top 34%)7112(Top 44%)7112(Top 126%)
24M24.00 mi1.00 mi14597+3139982+1759982+1757836(Top 28%)6030(Top 37%)6030(Top 107%)
40K24.85 mi0.85 mi14368+2299846+1369846+1369302(Top 33%)6695(Top 42%)6695(Top 119%)
25.2M25.20 mi0.35 mi14280+889800+469800+469104(Top 32%)6523(Top 41%)6523(Top 116%)
Finish26.22 mi1.02 mi14116+1649700+1009700+10010477(Top 37%)7247(Top 45%)7247(Top 128%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 55%
×21stories
+97ft-345ft

Overall

15600

Males

10640

M18-39

10640

5K→10K

3.1 - 6.2 mi

Top 76%
×5stories
+79ft-138ft

Overall

21690

Males

13212

M18-39

13212

10K→15K

6.2 - 9.3 mi

Top 55%
×3stories
+67ft-78ft

Overall

15600

Males

10640

M18-39

10640

15K→20K

9.3 - 12.4 mi

Top 43%
×5stories
+106ft-86ft

Overall

12192

Males

9060

M18-39

9060

20K→Half

12.4 - 13.1 mi

Top 38%
×2stories
+19ft-37ft

Overall

10890

Males

8515

M18-39

8515

Half→25K

13.1 - 15.5 mi

Top 38%
×4stories
+66ft-88ft

Overall

10849

Males

8323

M18-39

8323

25K→30K

15.5 - 18.6 mi

Top 40%
×9stories
+181ft-148ft

Overall

11252

Males

8316

M18-39

8316

30K→20M

18.6 - 20.0 mi

Top 40%
×5stories
+64ft-50ft

Overall

11334

Males

8213

M18-39

8213

20M→21M

20.0 - 21.0 mi

Top 39%
×8stories
+106ft-24ft

Overall

11093

Males

7926

M18-39

7926

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

8070

Males

6355

M18-39

6355

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

9744

Males

7112

M18-39

7112

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7836

Males

6030

M18-39

6030

24M→40K

24.0 - 24.9 mi

Top 33%
×1story
+6ft-20ft

Overall

9302

Males

6695

M18-39

6695

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

9104

Males

6523

M18-39

6523

25.2M→Finish

25.2 - 26.2 mi

Top 37%
×2stories
+22ft-21ft

Overall

10477

Males

7247

M18-39

7247

Passing Analysis

Category:
Athletes Passed
9316
Passed By
49
Net Change
+9267
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23383
5K → 10K76823+745#23383#22638
10K → 15K19681+1967#22638#20671
15K → 20K18270+1827#20671#18844
20K → Half3340+334#18844#18510
Half → 25K11740+1174#18510#17336
25K → 30K10401+1039#17336#16297
30K → 20M3811+380#16297#15917
20M → 21M3448+336#15917#15581
21M → 35K2971+296#15581#15285
35K → 23M3750+375#15285#14910
23M → 24M3130+313#14910#14597
24M → 40K2290+229#14597#14368
40K → 25.2M880+88#14368#14280
25.2M → Finish17814+164#14280#14116
TOTALS931649+9267
📊

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