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BOSTON MARATHON 2025

William Fields

Bib: 25699•M

SC

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Male)
#0 / 16105
Masters (Masters Men)
#0 / 10463
Division (M55-59)
#0 / 1648
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
30:20
Rank: #25000
Start → 5K
30:20 | 9:46/mi
10K· 6.21 mi
1:01:51
Rank: #25322 (-322)
5K → 10K
31:31 | 10:09/mi
15K· 9.32 mi
1:33:41
Rank: #25419 (-97)
10K → 15K
31:50 | 10:15/mi
20K· 12.43 mi
2:06:15
Rank: #25353 (+66)
15K → 20K
32:34 | 10:29/mi
Half· 13.11 mi
2:13:00
Rank: #25307 (+46)
20K → Half
6:45 | 9:54/mi
25K· 15.53 mi
2:40:21
Rank: #25363 (-56)
Half → 25K
27:21 | 11:17/mi
30K· 18.64 mi
3:17:17
Rank: #25387 (-24)
25K → 30K
36:56 | 11:53/mi
20M
3:34:24
Rank: #25463 (-76)
30K → 20M
17:07 | 12:36/mi
21M
3:47:34
Rank: #25465 (-2)
20M → 21M
13:10 | 13:10/mi
35K· 21.75 mi
3:56:34
Rank: #25468 (-3)
21M → 35K
9:00 | 12:02/mi
23M
4:11:47
Rank: #25470 (-2)
35K → 23M
15:13 | 12:09/mi
24M
4:24:05
Rank: #25525 (-55)
23M → 24M
12:18 | 12:18/mi
40K· 24.85 mi
4:35:32
Rank: #25608 (-83)
24M → 40K
11:27 | 13:24/mi
25.2M
4:40:16
Rank: #25615 (-7)
40K → 25.2M
4:44 | 13:44/mi
Finish· 26.22 mi
4:52:53
Rank: #25718 (-103)
25.2M → Finish
12:37 | 12:23/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:13:00
Pace10:09 /mi
2nd Half
Distance13.11 mi
Time2:39:53
Pace12:12 /mi
📊Positive Split: 20.2% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:45:3930:209:4630:20
9:46
-
10K
6.21 mi12:17:101:01:519:5731:31
10:09
+0:23
15K
9.32 mi12:49:001:33:4110:0331:50
10:15
+0:06
20K
12.43 mi13:21:342:06:1510:1032:34
10:29
+0:14
Half
13.11 mi13:28:192:13:0010:096:45
9:54
-0:35
25K
15.53 mi13:55:402:40:2110:1927:21
11:17
+1:23
30K
18.64 mi14:32:363:17:1710:3536:56
11:53
+0:36
20M
20.00 mi14:49:433:34:2410:4317:07
12:36
+0:43
21M
21.00 mi15:02:533:47:3410:5013:10
13:10
+0:34
35K
21.75 mi15:11:533:56:3410:539:00
12:02
-1:08
23M
23.00 mi15:27:064:11:4710:5715:13
12:09
+0:07
24M
24.00 mi15:39:244:24:0511:0012:18
12:18
+0:09
40K
24.85 mi15:50:514:35:3211:0511:27
13:24
+1:06
25.2M
25.20 mi15:55:354:40:1611:074:44
13:44
+0:20
Finish
26.22 mi16:08:124:52:5311:1112:37
12:23
-1:21

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

9:46 /mi

Average Pace

11:11 /mi

Slowest Pace

13:44 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:40:21

55% of race

Time at Steady Pace

1:43:11

35% of race

Time at Slower Pace

29:21

10% of race

Average Pace: 11:10 /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 mi11:45:3930:209:4630:20
9:46
#25000
10K
6.21 mi12:17:101:01:519:5731:31
10:09
#25322
15K
9.32 mi12:49:001:33:4110:0331:50
10:15
#25419
20K
12.43 mi13:21:342:06:1510:1032:34
10:29
#25353
Half
13.11 mi13:28:192:13:0010:096:45
9:54
#25307
25K
15.53 mi13:55:402:40:2110:1927:21
11:17
#25363
30K
18.64 mi14:32:363:17:1710:3536:56
11:53
#25387
20M
20.00 mi14:49:433:34:2410:4317:07
12:36
#25463
21M
21.00 mi15:02:533:47:3410:5013:10
13:10
#25465
35K
21.75 mi15:11:533:56:3410:539:00
12:02
#25468
23M
23.00 mi15:27:064:11:4710:5715:13
12:09
#25470
24M
24.00 mi15:39:244:24:0511:0012:18
12:18
#25525
40K
24.85 mi15:50:514:35:3211:0511:27
13:24
#25608
25.2M
25.20 mi15:55:354:40:1611:074:44
13:44
#25615
Finish
26.22 mi16:08:124:52:5311:1112:37
12:23
#25718
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM55-59Seg. OverallSeg. MalesSeg. M55-59
5K3.11 mi3.11 mi25000147281472825498(Top 90%)14927(Top 93%)14927(Top 906%)
10K6.21 mi3.10 mi25322-32214851-12314851-12325610(Top 90%)14962(Top 93%)14962(Top 908%)
15K9.32 mi3.11 mi25419-9714905-5414905-5425498(Top 90%)14927(Top 93%)14927(Top 906%)
20K12.43 mi3.11 mi25353+6614854+5114854+5125159(Top 89%)14744(Top 92%)14744(Top 895%)
Half13.11 mi0.68 mi25307+4614831+2314831+2324599(Top 87%)14487(Top 90%)14487(Top 879%)
25K15.53 mi2.42 mi25363-5614847-1614847-1625588(Top 90%)14897(Top 92%)14897(Top 904%)
30K18.64 mi3.11 mi25387-2414824+2314824+2325433(Top 90%)14733(Top 91%)14733(Top 894%)
20M20.00 mi1.36 mi25463-7614846-2214846-2226009(Top 92%)14925(Top 93%)14925(Top 906%)
21M21.00 mi1.00 mi25465-214834+1214834+1225275(Top 89%)14505(Top 90%)14505(Top 880%)
35K21.75 mi0.75 mi25468-314828+614828+625910(Top 91%)14787(Top 92%)14787(Top 897%)
23M23.00 mi1.25 mi25470-214811+1714811+1725330(Top 89%)14501(Top 90%)14501(Top 880%)
24M24.00 mi1.00 mi25525-5514829-1814829-1826053(Top 92%)14836(Top 92%)14836(Top 900%)
40K24.85 mi0.85 mi25608-8314854-2514854-2526674(Top 94%)15122(Top 94%)15122(Top 918%)
25.2M25.20 mi0.35 mi25615-7148541485425964(Top 91%)14733(Top 91%)14733(Top 894%)
Finish26.22 mi1.02 mi25718-10314896-4214896-4227200(Top 96%)15419(Top 96%)15419(Top 936%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 90%
×21stories
+97ft-345ft

Overall

25498

Males

14927

M55-59

14927

5K→10K

3.1 - 6.2 mi

Top 90%
×5stories
+79ft-138ft

Overall

25610

Males

14962

M55-59

14962

10K→15K

6.2 - 9.3 mi

Top 90%
×3stories
+67ft-78ft

Overall

25498

Males

14927

M55-59

14927

15K→20K

9.3 - 12.4 mi

Top 89%
×5stories
+106ft-86ft

Overall

25159

Males

14744

M55-59

14744

20K→Half

12.4 - 13.1 mi

Top 87%
×2stories
+19ft-37ft

Overall

24599

Males

14487

M55-59

14487

Half→25K

13.1 - 15.5 mi

Top 90%
×4stories
+66ft-88ft

Overall

25588

Males

14897

M55-59

14897

25K→30K

15.5 - 18.6 mi

Top 90%
×9stories
+181ft-148ft

Overall

25433

Males

14733

M55-59

14733

30K→20M

18.6 - 20.0 mi

Top 92%
×5stories
+64ft-50ft

Overall

26009

Males

14925

M55-59

14925

20M→21M

20.0 - 21.0 mi

Top 89%
×8stories
+106ft-24ft

Overall

25275

Males

14505

M55-59

14505

21M→35K

21.0 - 21.8 mi

Top 91%
×7stories
+17ft-86ft

Overall

25910

Males

14787

M55-59

14787

35K→23M

21.8 - 23.0 mi

Top 89%
×5stories
+23ft-63ft

Overall

25330

Males

14501

M55-59

14501

23M→24M

23.0 - 24.0 mi

Top 92%
×6stories
+12ft-82ft

Overall

26053

Males

14836

M55-59

14836

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

26674

Males

15122

M55-59

15122

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

25964

Males

14733

M55-59

14733

25.2M→Finish

25.2 - 26.2 mi

Top 96%
×2stories
+22ft-21ft

Overall

27200

Males

15419

M55-59

15419

Passing Analysis

Category:
Athletes Passed
781
Passed By
1499
Net Change
-718
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25000
5K → 10K92414-322#25000#25322
10K → 15K101198-97#25322#25419
15K → 20K15791+66#25419#25353
20K → Half493+46#25353#25307
Half → 25K78134-56#25307#25363
25K → 30K110134-24#25363#25387
30K → 20M30106-76#25387#25463
20M → 21M4345-2#25463#25465
21M → 35K2023-3#25465#25468
35K → 23M4547-2#25468#25470
23M → 24M2580-55#25470#25525
24M → 40K1295-83#25525#25608
40K → 25.2M1118-7#25608#25615
25.2M → Finish8111-103#25615#25718
TOTALS7811499-718
📊

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