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BOSTON MARATHON 2025

James Williams

Bib: 16814•M

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M60-64)
#0 / 1259
Top 41%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:18/mi
25:46
↑ 97↓ 3451.5%
10K· 6.21 mi
8:19/mi
51:36
↑ 79↓ 1380.4%
15K· 9.32 mi
8:19/mi
1:17:25
↑ 67↓ 78
20K· 12.43 mi
8:30/mi
1:43:49
↑ 106↓ 860.1%
Half· 13.11 mi
8:24/mi
1:49:33
↑ 19↓ 370.5%
25K· 15.53 mi
8:38/mi
2:10:30
↑ 66↓ 880.2%
30K· 18.64 mi
8:52/mi
2:38:02
↑ 181↓ 1480.2%
20M
9:02/mi
2:50:19
↑ 64↓ 500.2%
21M
9:29/mi
2:59:48
↑ 106↓ 241.6%
35K· 21.75 mi
8:39/mi
3:06:16
↑ 17↓ 861.7%
23M
9:02/mi
3:17:35
↑ 23↓ 630.6%
24M
8:51/mi
3:26:26
↓ 821.3%
40K· 24.85 mi
9:03/mi
3:34:10
↓ 200.3%
25.2M
9:57/mi
3:37:36
↑ 13↓ 160.2%
Finish· 26.22 mi
8:33/mi
3:46:19
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:33
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time1:56:46
Pace8:54 /mi
📊Positive Split: 6.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:00:2025:468:1825:46
8:18
-
10K
6.21 mi11:26:1051:368:1825:50
8:19
+0:01
15K
9.32 mi11:51:591:17:258:1825:49
8:19
0:00
20K
12.43 mi12:18:231:43:498:2126:24
8:30
+0:11
Half
13.11 mi12:24:071:49:338:215:44
8:24
-0:06
25K
15.53 mi12:45:042:10:308:2420:57
8:38
+0:14
30K
18.64 mi13:12:362:38:028:2927:32
8:52
+0:14
20M
20.00 mi13:24:532:50:198:3112:17
9:02
+0:10
21M
21.00 mi13:34:222:59:488:349:29
9:29
+0:27
35K
21.75 mi13:40:503:06:168:346:28
8:39
-0:50
23M
23.00 mi13:52:093:17:358:3511:19
9:02
+0:23
24M
24.00 mi14:01:003:26:268:368:51
8:51
-0:11
40K
24.85 mi14:08:443:34:108:377:44
9:03
+0:12
25.2M
25.20 mi14:12:103:37:368:383:26
9:57
+0:54
Finish
26.22 mi14:20:533:46:198:388:43
8:33
-1:24

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

8:18 /mi

Average Pace

8:38 /mi

Slowest Pace

9:57 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:33:24

94% of race

Time at Steady Pace

9:29

4% of race

Time at Slower Pace

3:26

2% of race

Average Pace: 8:38 /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 mi11:00:2025:468:1825:46
8:18
#18657
10K
6.21 mi11:26:1051:368:1825:50
8:19
#18630
15K
9.32 mi11:51:591:17:258:1825:49
8:19
#18439
20K
12.43 mi12:18:231:43:498:2126:24
8:30
#18331
Half
13.11 mi12:24:071:49:338:215:44
8:24
#18336
25K
15.53 mi12:45:042:10:308:2420:57
8:38
#18258
30K
18.64 mi13:12:362:38:028:2927:32
8:52
#17954
20M
20.00 mi13:24:532:50:198:3112:17
9:02
#17879
21M
21.00 mi13:34:222:59:488:349:29
9:29
#17766
35K
21.75 mi13:40:503:06:168:346:28
8:39
#17695
23M
23.00 mi13:52:093:17:358:3511:19
9:02
#17605
24M
24.00 mi14:01:003:26:268:368:51
8:51
#17542
40K
24.85 mi14:08:443:34:108:377:44
9:03
#17500
25.2M
25.20 mi14:12:103:37:368:383:26
9:57
#17490
Finish
26.22 mi14:20:533:46:198:388:43
8:33
#17455
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM60-64Seg. OverallSeg. MalesSeg. M60-64
5K3.11 mi3.11 mi18657118891188918116(Top 64%)11673(Top 72%)11673(Top 927%)
10K6.21 mi3.10 mi18630+2711877+1211877+1218629(Top 66%)11907(Top 74%)11907(Top 946%)
15K9.32 mi3.11 mi18439+19111796+8111796+8118116(Top 64%)11673(Top 72%)11673(Top 927%)
20K12.43 mi3.11 mi18331+10811750+4611750+4618209(Top 64%)11700(Top 73%)11700(Top 929%)
Half13.11 mi0.68 mi18336-5117501175018570(Top 65%)11843(Top 74%)11843(Top 941%)
25K15.53 mi2.42 mi18258+7811702+4811702+4818034(Top 63%)11535(Top 72%)11535(Top 916%)
30K18.64 mi3.11 mi17954+30411528+17411528+17416949(Top 60%)10901(Top 68%)10901(Top 866%)
20M20.00 mi1.36 mi17879+7511473+5511473+5516995(Top 60%)10821(Top 67%)10821(Top 859%)
21M21.00 mi1.00 mi17766+11311411+6211411+6215995(Top 56%)10255(Top 64%)10255(Top 815%)
35K21.75 mi0.75 mi17695+7111361+5011361+5016311(Top 57%)10320(Top 64%)10320(Top 820%)
23M23.00 mi1.25 mi17605+9011276+8511276+8516468(Top 58%)10277(Top 64%)10277(Top 816%)
24M24.00 mi1.00 mi17542+6311221+5511221+5516578(Top 58%)10293(Top 64%)10293(Top 818%)
40K24.85 mi0.85 mi17500+4211171+5011171+5016557(Top 58%)10178(Top 63%)10178(Top 808%)
25.2M25.20 mi0.35 mi17490+1011158+1311158+1316784(Top 59%)10267(Top 64%)10267(Top 815%)
Finish26.22 mi1.02 mi17455+3511122+3611122+3616557(Top 58%)10186(Top 63%)10186(Top 809%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

18116

Males

11673

M60-64

11673

5K→10K

3.1 - 6.2 mi

Top 66%
×5story building
+79ft-138ft

Overall

18629

Males

11907

M60-64

11907

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

18116

Males

11673

M60-64

11673

15K→20K

9.3 - 12.4 mi

Top 64%
×5story building
+106ft-86ft

Overall

18209

Males

11700

M60-64

11700

20K→Half

12.4 - 13.1 mi

Top 65%
×2story building
+19ft-37ft

Overall

18570

Males

11843

M60-64

11843

Half→25K

13.1 - 15.5 mi

Top 63%
×4story building
+66ft-88ft

Overall

18034

Males

11535

M60-64

11535

25K→30K

15.5 - 18.6 mi

Top 60%
×9story building
+181ft-148ft

Overall

16949

Males

10901

M60-64

10901

30K→20M

18.6 - 20.0 mi

Top 60%
×5story building
+64ft-50ft

Overall

16995

Males

10821

M60-64

10821

20M→21M

20.0 - 21.0 mi

Top 56%
×8story building
+106ft-24ft

Overall

15995

Males

10255

M60-64

10255

21M→35K

21.0 - 21.8 mi

Top 57%
×7story building
+17ft-86ft

Overall

16311

Males

10320

M60-64

10320

35K→23M

21.8 - 23.0 mi

Top 58%
×5story building
+23ft-63ft

Overall

16468

Males

10277

M60-64

10277

23M→24M

23.0 - 24.0 mi

Top 58%
×6story building
+12ft-82ft

Overall

16578

Males

10293

M60-64

10293

24M→40K

24.0 - 24.9 mi

Top 58%
×1story
+6ft-20ft

Overall

16557

Males

10178

M60-64

10178

40K→25.2M

24.9 - 25.2 mi

Top 59%
×1story
+13ft-16ft

Overall

16784

Males

10267

M60-64

10267

25.2M→Finish

25.2 - 26.2 mi

Top 58%
×2story building
+22ft-21ft

Overall

16557

Males

10186

M60-64

10186

Passing Analysis

Category:
Athletes Passed
2304
Passed By
1102
Net Change
+1202
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18657
5K → 10K280253+27#18657#18630
10K → 15K28897+191#18630#18439
15K → 20K242134+108#18439#18331
20K → Half3439-5#18331#18336
Half → 25K203125+78#18336#18258
25K → 30K39490+304#18258#17954
30K → 20M15479+75#17954#17879
20M → 21M15643+113#17879#17766
21M → 35K9524+71#17766#17695
35K → 23M15464+90#17695#17605
23M → 24M10744+63#17605#17542
24M → 40K9048+42#17542#17500
40K → 25.2M2818+10#17500#17490
25.2M → Finish7944+35#17490#17455
TOTALS23041102+1202
📊

Passing Visuals

Category:
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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