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BOSTON MARATHON 2025

Timothy Fields

Bib: 921•M

KS

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 3%
Division (M18-39)
#0 / 5642
Top 6%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:18
Rank: #768
Start → 5K
5:53/mi
18:18 split
10K· 6.21 mi
36:32
Rank: #747 (+21)
5K → 10K
5:52/mi
18:14 split
15K· 9.32 mi
54:47
Rank: #733 (+14)
10K → 15K
5:52/mi
18:15 split
20K· 12.43 mi
1:13:04
Rank: #688 (+45)
15K → 20K
5:53/mi
18:17 split
Half· 13.11 mi
1:17:00
Rank: #678 (+10)
20K → Half
5:46/mi
3:56 split
25K· 15.53 mi
1:31:11
Rank: #620 (+58)
Half → 25K
5:51/mi
14:11 split
30K· 18.64 mi
1:49:38
Rank: #555 (+65)
25K → 30K
5:56/mi
18:27 split
20M
1:57:47
Rank: #536 (+19)
30K → 20M
6:00/mi
8:09 split
21M
2:04:07
Rank: #523 (+13)
20M → 21M
6:20/mi
6:20 split
35K· 21.75 mi
2:08:36
Rank: #521 (+2)
21M → 35K
6:00/mi
4:29 split
23M
2:16:16
Rank: #512 (+9)
35K → 23M
6:07/mi
7:40 split
24M
2:22:15
Rank: #499 (+13)
23M → 24M
5:59/mi
5:59 split
40K· 24.85 mi
2:27:20
Rank: #477 (+22)
24M → 40K
5:57/mi
5:05 split
25.2M
2:29:32
Rank: #463 (+14)
40K → 25.2M
6:23/mi
2:12 split
Finish· 26.22 mi
2:35:14
Rank: #444 (+19)
25.2M → Finish
5:36/mi
5:42 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:17:00
Pace5:52 /mi
2nd Half
Distance13.11 mi
Time1:18:14
Pace5:58 /mi
📊Positive Split: 1.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:18:4318:185:5318:18
5:53
-
10K
6.21 mi10:36:5736:325:5318:14
5:52
-0:01
15K
9.32 mi10:55:1254:475:5318:15
5:52
0:00
20K
12.43 mi11:13:291:13:045:5318:17
5:53
+0:01
Half
13.11 mi11:17:251:17:005:523:56
5:46
-0:07
25K
15.53 mi11:31:361:31:115:5214:11
5:51
+0:05
30K
18.64 mi11:50:031:49:385:5318:27
5:56
+0:05
20M
20.00 mi11:58:121:57:475:538:09
6:00
+0:04
21M
21.00 mi12:04:322:04:075:556:20
6:20
+0:20
35K
21.75 mi12:09:012:08:365:554:29
6:00
-0:20
23M
23.00 mi12:16:412:16:165:557:40
6:07
+0:07
24M
24.00 mi12:22:402:22:155:565:59
5:59
-0:08
40K
24.85 mi12:27:452:27:205:565:05
5:57
-0:02
25.2M
25.20 mi12:29:572:29:325:562:12
6:23
+0:26
Finish
26.22 mi12:35:392:35:145:555:42
5:36
-0:47

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

5:36 /mi

Average Pace

5:55 /mi

Slowest Pace

6:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:26:42

95% of race

Time at Steady Pace

8:32

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 5:55 /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 mi10:18:4318:185:5318:18
5:53
#768
10K
6.21 mi10:36:5736:325:5318:14
5:52
#747
15K
9.32 mi10:55:1254:475:5318:15
5:52
#733
20K
12.43 mi11:13:291:13:045:5318:17
5:53
#688
Half
13.11 mi11:17:251:17:005:523:56
5:46
#678
25K
15.53 mi11:31:361:31:115:5214:11
5:51
#620
30K
18.64 mi11:50:031:49:385:5318:27
5:56
#555
20M
20.00 mi11:58:121:57:475:538:09
6:00
#536
21M
21.00 mi12:04:322:04:075:556:20
6:20
#523
35K
21.75 mi12:09:012:08:365:554:29
6:00
#521
23M
23.00 mi12:16:412:16:165:557:40
6:07
#512
24M
24.00 mi12:22:402:22:155:565:59
5:59
#499
40K
24.85 mi12:27:452:27:205:565:05
5:57
#477
25.2M
25.20 mi12:29:572:29:325:562:12
6:23
#463
Finish
26.22 mi12:35:392:35:145:555:42
5:36
#444
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi768716716692(Top 2%)646(Top 4%)646(Top 11%)
10K6.21 mi3.10 mi747+21696+20696+20754(Top 3%)707(Top 4%)707(Top 13%)
15K9.32 mi3.11 mi733+14684+12684+12692(Top 2%)646(Top 4%)646(Top 11%)
20K12.43 mi3.11 mi688+45641+43641+43584(Top 2%)539(Top 3%)539(Top 10%)
Half13.11 mi0.68 mi678+10631+10631+10506(Top 2%)474(Top 3%)474(Top 8%)
25K15.53 mi2.42 mi620+58574+57574+57487(Top 2%)454(Top 3%)454(Top 8%)
30K18.64 mi3.11 mi555+65510+64510+64413(Top 1%)382(Top 2%)382(Top 7%)
20M20.00 mi1.36 mi536+19491+19491+19379(Top 1%)354(Top 2%)354(Top 6%)
21M21.00 mi1.00 mi523+13481+10481+10407(Top 1%)383(Top 2%)383(Top 7%)
35K21.75 mi0.75 mi521+2478+3478+3698(Top 2%)651(Top 4%)651(Top 12%)
23M23.00 mi1.25 mi512+9470+8470+8521(Top 2%)491(Top 3%)491(Top 9%)
24M24.00 mi1.00 mi499+13458+12458+12536(Top 2%)500(Top 3%)500(Top 9%)
40K24.85 mi0.85 mi477+22438+20438+20335(Top 1%)309(Top 2%)309(Top 5%)
25.2M25.20 mi0.35 mi463+14427+11427+11305(Top 1%)283(Top 2%)283(Top 5%)
Finish26.22 mi1.02 mi444+19408+19408+19225(Top 0.8%)212(Top 1%)212(Top 4%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 2%
×21stories
+97ft-345ft

Overall

692

Males

646

M18-39

646

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

754

Males

707

M18-39

707

10K→15K

6.2 - 9.3 mi

Top 2%
×3stories
+67ft-78ft

Overall

692

Males

646

M18-39

646

15K→20K

9.3 - 12.4 mi

Top 2%
×5stories
+106ft-86ft

Overall

584

Males

539

M18-39

539

20K→Half

12.4 - 13.1 mi

Top 2%
×2stories
+19ft-37ft

Overall

506

Males

474

M18-39

474

Half→25K

13.1 - 15.5 mi

Top 2%
×4stories
+66ft-88ft

Overall

487

Males

454

M18-39

454

25K→30K

15.5 - 18.6 mi

Top 1%
×9stories
+181ft-148ft

Overall

413

Males

382

M18-39

382

30K→20M

18.6 - 20.0 mi

Top 1%
×5stories
+64ft-50ft

Overall

379

Males

354

M18-39

354

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

407

Males

383

M18-39

383

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

698

Males

651

M18-39

651

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

521

Males

491

M18-39

491

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

536

Males

500

M18-39

500

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

335

Males

309

M18-39

309

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

305

Males

283

M18-39

283

25.2M→Finish

25.2 - 26.2 mi

Top 0.8%
×2stories
+22ft-21ft

Overall

225

Males

212

M18-39

212

Passing Analysis

Category:
Athletes Passed
412
Passed By
88
Net Change
+324
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#768
5K → 10K4827+21#768#747
10K → 15K3117+14#747#733
15K → 20K538+45#733#688
20K → Half122+10#688#678
Half → 25K602+58#678#620
25K → 30K694+65#620#555
30K → 20M212+19#555#536
20M → 21M163+13#536#523
21M → 35K119+2#523#521
35K → 23M156+9#521#512
23M → 24M163+13#512#499
24M → 40K231+22#499#477
40K → 25.2M151+14#477#463
25.2M → Finish223+19#463#444
TOTALS41288+324
📊

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