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BOSTON MARATHON 2025

Marcus Williams

Bib: 5568•M

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 17%
Gender (Male)
#0 / 16105
Top 27%
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
21:13
Rank: #6541
Start → 5K
21:13 | 6:50/mi
10K· 6.21 mi
42:10
Rank: #6151 (+390)
5K → 10K
20:57 | 6:45/mi
15K· 9.32 mi
1:03:14
Rank: #6036 (+115)
10K → 15K
21:04 | 6:47/mi
20K· 12.43 mi
1:24:45
Rank: #6106 (-70)
15K → 20K
21:31 | 6:56/mi
Half· 13.11 mi
1:29:20
Rank: #6075 (+31)
20K → Half
4:35 | 6:43/mi
25K· 15.53 mi
1:45:49
Rank: #5817 (+258)
Half → 25K
16:29 | 6:48/mi
30K· 18.64 mi
2:07:39
Rank: #5569 (+248)
25K → 30K
21:50 | 7:02/mi
20M
2:18:28
Rank: #5892 (-323)
30K → 20M
10:49 | 7:58/mi
21M
2:25:47
Rank: #5699 (+193)
20M → 21M
7:19 | 7:19/mi
35K· 21.75 mi
2:30:45
Rank: #5606 (+93)
21M → 35K
4:58 | 6:38/mi
23M
2:39:16
Rank: #5349 (+257)
35K → 23M
8:31 | 6:48/mi
24M
2:45:52
Rank: #5180 (+169)
23M → 24M
6:36 | 6:36/mi
40K· 24.85 mi
2:51:39
Rank: #5051 (+129)
24M → 40K
5:47 | 6:46/mi
25.2M
2:53:53
Rank: #4922 (+129)
40K → 25.2M
2:14 | 6:29/mi
Finish· 26.22 mi
3:00:29
Rank: #4795 (+127)
25.2M → Finish
6:36 | 6:29/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:29:20
Pace6:49 /mi
2nd Half
Distance13.11 mi
Time1:31:09
Pace6:57 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:0621:136:5021:13
6:50
-
10K
6.21 mi10:50:0342:106:4720:57
6:45
-0:05
15K
9.32 mi11:11:071:03:146:4721:04
6:47
+0:02
20K
12.43 mi11:32:381:24:456:4921:31
6:56
+0:09
Half
13.11 mi11:37:131:29:206:494:35
6:43
-0:13
25K
15.53 mi11:53:421:45:496:4916:29
6:48
+0:05
30K
18.64 mi12:15:322:07:396:5121:50
7:02
+0:14
20M
20.00 mi12:26:212:18:286:5510:49
7:58
+0:56
21M
21.00 mi12:33:402:25:476:577:19
7:19
-0:39
35K
21.75 mi12:38:382:30:456:564:58
6:38
-0:41
23M
23.00 mi12:47:092:39:166:558:31
6:48
+0:10
24M
24.00 mi12:53:452:45:526:556:36
6:36
-0:12
40K
24.85 mi12:59:322:51:396:545:47
6:46
+0:10
25.2M
25.20 mi13:01:462:53:536:542:14
6:29
-0:17
Finish
26.22 mi13:08:223:00:296:536:36
6:29
0:00

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

6:29 /mi

Average Pace

6:53 /mi

Slowest Pace

7:58 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

15:26

9% of race

Time at Steady Pace

2:05:05

69% of race

Time at Slower Pace

39:58

22% of race

Average Pace: 6:53 /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 mi10:29:0621:136:5021:13
6:50
#6541
10K
6.21 mi10:50:0342:106:4720:57
6:45
#6151
15K
9.32 mi11:11:071:03:146:4721:04
6:47
#6036
20K
12.43 mi11:32:381:24:456:4921:31
6:56
#6106
Half
13.11 mi11:37:131:29:206:494:35
6:43
#6075
25K
15.53 mi11:53:421:45:496:4916:29
6:48
#5817
30K
18.64 mi12:15:322:07:396:5121:50
7:02
#5569
20M
20.00 mi12:26:212:18:286:5510:49
7:58
#5892
21M
21.00 mi12:33:402:25:476:577:19
7:19
#5699
35K
21.75 mi12:38:382:30:456:564:58
6:38
#5606
23M
23.00 mi12:47:092:39:166:558:31
6:48
#5349
24M
24.00 mi12:53:452:45:526:556:36
6:36
#5180
40K
24.85 mi12:59:322:51:396:545:47
6:46
#5051
25.2M
25.20 mi13:01:462:53:536:542:14
6:29
#4922
Finish
26.22 mi13:08:223:00:296:536:36
6:29
#4795
Faster pace
Steady pace
Slower pace
Est.Checkpoint not recorded (estimated)
~Segment time uses estimated prior

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi6541594859485870(Top 21%)5344(Top 33%)5344(Top 95%)
10K6.21 mi3.10 mi6151+3905634+3145634+3145742(Top 20%)5258(Top 33%)5258(Top 93%)
15K9.32 mi3.11 mi6036+1155528+1065528+1065870(Top 21%)5344(Top 33%)5344(Top 95%)
20K12.43 mi3.11 mi6106-705574-465574-466368(Top 22%)5714(Top 35%)5714(Top 101%)
Half13.11 mi0.68 mi6075+315544+305544+305372(Top 19%)4927(Top 31%)4927(Top 87%)
25K15.53 mi2.42 mi5817+2585314+2305314+2304845(Top 17%)4453(Top 28%)4453(Top 79%)
30K18.64 mi3.11 mi5569+2485096+2185096+2184853(Top 17%)4416(Top 27%)4416(Top 78%)
20M20.00 mi1.36 mi5892-3235337-2415337-24110132(Top 36%)7601(Top 47%)7601(Top 135%)
21M21.00 mi1.00 mi5699+1935181+1565181+1563690(Top 13%)3372(Top 21%)3372(Top 60%)
35K21.75 mi0.75 mi5606+935097+845097+843157(Top 11%)2899(Top 18%)2899(Top 51%)
23M23.00 mi1.25 mi5349+2574875+2224875+2222718(Top 10%)2501(Top 16%)2501(Top 44%)
24M24.00 mi1.00 mi5180+1694721+1544721+1542493(Top 9%)2297(Top 14%)2297(Top 41%)
40K24.85 mi0.85 mi5051+1294606+1154606+1152669(Top 9%)2426(Top 15%)2426(Top 43%)
25.2M25.20 mi0.35 mi4922+1294492+1144492+114450(Top 2%)416(Top 3%)416(Top 7%)
Finish26.22 mi1.02 mi4795+1274383+1094383+1092669(Top 9%)2400(Top 15%)2400(Top 43%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 21%
×21stories
+97ft-345ft

Overall

5870

Males

5344

M18-39

5344

5K→10K

3.1 - 6.2 mi

Top 20%
×5stories
+79ft-138ft

Overall

5742

Males

5258

M18-39

5258

10K→15K

6.2 - 9.3 mi

Top 21%
×3stories
+67ft-78ft

Overall

5870

Males

5344

M18-39

5344

15K→20K

9.3 - 12.4 mi

Top 22%
×5stories
+106ft-86ft

Overall

6368

Males

5714

M18-39

5714

20K→Half

12.4 - 13.1 mi

Top 19%
×2stories
+19ft-37ft

Overall

5372

Males

4927

M18-39

4927

Half→25K

13.1 - 15.5 mi

Top 17%
×4stories
+66ft-88ft

Overall

4845

Males

4453

M18-39

4453

25K→30K

15.5 - 18.6 mi

Top 17%
×9stories
+181ft-148ft

Overall

4853

Males

4416

M18-39

4416

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

10132

Males

7601

M18-39

7601

20M→21M

20.0 - 21.0 mi

Top 13%
×8stories
+106ft-24ft

Overall

3690

Males

3372

M18-39

3372

21M→35K

21.0 - 21.8 mi

Top 11%
×7stories
+17ft-86ft

Overall

3157

Males

2899

M18-39

2899

35K→23M

21.8 - 23.0 mi

Top 10%
×5stories
+23ft-63ft

Overall

2718

Males

2501

M18-39

2501

23M→24M

23.0 - 24.0 mi

Top 9%
×6stories
+12ft-82ft

Overall

2493

Males

2297

M18-39

2297

24M→40K

24.0 - 24.9 mi

Top 9%
×1story
+6ft-20ft

Overall

2669

Males

2426

M18-39

2426

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

450

Males

416

M18-39

416

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2669

Males

2400

M18-39

2400

Passing Analysis

Category:
Athletes Passed
2504
Passed By
758
Net Change
+1746
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6541
5K → 10K44656+390#6541#6151
10K → 15K19176+115#6151#6036
15K → 20K130200-70#6036#6106
20K → Half365+31#6106#6075
Half → 25K27517+258#6075#5817
25K → 30K30254+248#5817#5569
30K → 20M12335-323#5569#5892
20M → 21M1952+193#5892#5699
21M → 35K963+93#5699#5606
35K → 23M2592+257#5606#5349
23M → 24M1712+169#5349#5180
24M → 40K1301+129#5180#5051
40K → 25.2M1290+129#5051#4922
25.2M → Finish1325+127#4922#4795
TOTALS2504758+1746
📊

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