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BOSTON MARATHON 2025

Jeff Pels

Bib: 1930•M

TX

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 13%
Gender (Male)
#0 / 16105
Top 22%
Division (M18-39)
#0 / 5642
Top 46%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
18:56
Rank: #1404
Start → 5K
18:56 | 6:06/mi
10K· 6.21 mi
37:47
Rank: #1354 (+50)
5K → 10K
18:51 | 6:04/mi
15K· 9.32 mi
56:35
Rank: #1276 (+78)
10K → 15K
18:48 | 6:03/mi
20K· 12.43 mi
1:15:37
Rank: #1258 (+18)
15K → 20K
19:02 | 6:08/mi
Half· 13.11 mi
1:19:44
Rank: #1253 (+5)
20K → Half
4:07 | 6:02/mi
25K· 15.53 mi
1:34:59
Rank: #1332 (-79)
Half → 25K
15:15 | 6:17/mi
30K· 18.64 mi
1:55:55
Rank: #1575 (-243)
25K → 30K
20:56 | 6:44/mi
20M
2:06:18
Rank: #1906 (-331)
30K → 20M
10:23 | 7:38/mi
21M
2:14:49
Rank: #2241 (-335)
20M → 21M
8:31 | 8:31/mi
35K· 21.75 mi
2:20:31
Rank: #2417 (-176)
21M → 35K
5:42 | 7:37/mi
23M
2:30:15
Rank: #2701 (-284)
35K → 23M
9:44 | 7:46/mi
24M
2:38:05
Rank: #2920 (-219)
23M → 24M
7:50 | 7:50/mi
40K· 24.85 mi
2:45:35
Rank: #3272 (-352)
24M → 40K
7:30 | 8:46/mi
25.2M
2:49:03
Rank: #3464 (-192)
40K → 25.2M
3:28 | 10:03/mi
Finish· 26.22 mi
2:57:17
Rank: #3821 (-357)
25.2M → Finish
8:14 | 8:05/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:19:44
Pace6:05 /mi
2nd Half
Distance13.11 mi
Time1:37:33
Pace7:26 /mi
📊Positive Split: 22.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5818:566:0618:56
6:06
-
10K
6.21 mi10:38:4937:476:0518:51
6:04
-0:02
15K
9.32 mi10:57:3756:356:0418:48
6:03
-0:01
20K
12.43 mi11:16:391:15:376:0519:02
6:08
+0:05
Half
13.11 mi11:20:461:19:446:054:07
6:02
-0:06
25K
15.53 mi11:36:011:34:596:0715:15
6:17
+0:15
30K
18.64 mi11:56:571:55:556:1320:56
6:44
+0:27
20M
20.00 mi12:07:202:06:186:1910:23
7:38
+0:54
21M
21.00 mi12:15:512:14:496:258:31
8:31
+0:53
35K
21.75 mi12:21:332:20:316:285:42
7:37
-0:54
23M
23.00 mi12:31:172:30:156:329:44
7:46
+0:09
24M
24.00 mi12:39:072:38:056:357:50
7:50
+0:04
40K
24.85 mi12:46:372:45:356:407:30
8:46
+0:56
25.2M
25.20 mi12:50:052:49:036:433:28
10:03
+1:17
Finish
26.22 mi12:58:192:57:176:468:14
8:05
-1:58

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

6:02 /mi

Average Pace

6:46 /mi

Slowest Pace

10:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:55:55

65% of race

Time at Steady Pace

41:53

24% of race

Time at Slower Pace

19:29

11% of race

Average Pace: 6:46 /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 mi10:19:5818:566:0618:56
6:06
#1404
10K
6.21 mi10:38:4937:476:0518:51
6:04
#1354
15K
9.32 mi10:57:3756:356:0418:48
6:03
#1276
20K
12.43 mi11:16:391:15:376:0519:02
6:08
#1258
Half
13.11 mi11:20:461:19:446:054:07
6:02
#1253
25K
15.53 mi11:36:011:34:596:0715:15
6:17
#1332
30K
18.64 mi11:56:571:55:556:1320:56
6:44
#1575
20M
20.00 mi12:07:202:06:186:1910:23
7:38
#1906
21M
21.00 mi12:15:512:14:496:258:31
8:31
#2241
35K
21.75 mi12:21:332:20:316:285:42
7:37
#2417
23M
23.00 mi12:31:172:30:156:329:44
7:46
#2701
24M
24.00 mi12:39:072:38:056:357:50
7:50
#2920
40K
24.85 mi12:46:372:45:356:407:30
8:46
#3272
25.2M
25.20 mi12:50:052:49:036:433:28
10:03
#3464
Finish
26.22 mi12:58:192:57:176:468:14
8:05
#3821
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1404133613361203(Top 4%)1141(Top 7%)1141(Top 20%)
10K6.21 mi3.10 mi1354+501287+491287+491354(Top 5%)1284(Top 8%)1284(Top 23%)
15K9.32 mi3.11 mi1276+781212+751212+751203(Top 4%)1141(Top 7%)1141(Top 20%)
20K12.43 mi3.11 mi1258+181190+221190+221269(Top 4%)1203(Top 7%)1203(Top 21%)
Half13.11 mi0.68 mi1253+51185+51185+51302(Top 5%)1236(Top 8%)1236(Top 22%)
25K15.53 mi2.42 mi1332-791261-761261-761809(Top 6%)1719(Top 11%)1719(Top 30%)
30K18.64 mi3.11 mi1575-2431492-2311492-2313077(Top 11%)2890(Top 18%)2890(Top 51%)
20M20.00 mi1.36 mi1906-3311814-3221814-3227935(Top 28%)6389(Top 40%)6389(Top 113%)
21M21.00 mi1.00 mi2241-3352139-3252139-32510524(Top 37%)7613(Top 47%)7613(Top 135%)
35K21.75 mi0.75 mi2417-1762306-1672306-1679398(Top 33%)7041(Top 44%)7041(Top 125%)
23M23.00 mi1.25 mi2701-2842567-2612567-2618359(Top 29%)6355(Top 39%)6355(Top 113%)
24M24.00 mi1.00 mi2920-2192762-1952762-1959998(Top 35%)7147(Top 44%)7147(Top 127%)
40K24.85 mi0.85 mi3272-3523081-3193081-31914976(Top 53%)9419(Top 58%)9419(Top 167%)
25.2M25.20 mi0.35 mi3464-1923243-1623243-16217178(Top 60%)10419(Top 65%)10419(Top 185%)
Finish26.22 mi1.02 mi3821-3573544-3013544-30113381(Top 47%)8689(Top 54%)8689(Top 154%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 4%
×21stories
+97ft-345ft

Overall

1203

Males

1141

M18-39

1141

5K→10K

3.1 - 6.2 mi

Top 5%
×5stories
+79ft-138ft

Overall

1354

Males

1284

M18-39

1284

10K→15K

6.2 - 9.3 mi

Top 4%
×3stories
+67ft-78ft

Overall

1203

Males

1141

M18-39

1141

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1269

Males

1203

M18-39

1203

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1302

Males

1236

M18-39

1236

Half→25K

13.1 - 15.5 mi

Top 6%
×4stories
+66ft-88ft

Overall

1809

Males

1719

M18-39

1719

25K→30K

15.5 - 18.6 mi

Top 11%
×9stories
+181ft-148ft

Overall

3077

Males

2890

M18-39

2890

30K→20M

18.6 - 20.0 mi

Top 28%
×5stories
+64ft-50ft

Overall

7935

Males

6389

M18-39

6389

20M→21M

20.0 - 21.0 mi

Top 37%
×8stories
+106ft-24ft

Overall

10524

Males

7613

M18-39

7613

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

9398

Males

7041

M18-39

7041

35K→23M

21.8 - 23.0 mi

Top 29%
×5stories
+23ft-63ft

Overall

8359

Males

6355

M18-39

6355

23M→24M

23.0 - 24.0 mi

Top 35%
×6stories
+12ft-82ft

Overall

9998

Males

7147

M18-39

7147

24M→40K

24.0 - 24.9 mi

Top 53%
×1story
+6ft-20ft

Overall

14976

Males

9419

M18-39

9419

40K→25.2M

24.9 - 25.2 mi

Top 60%
×1story
+13ft-16ft

Overall

17178

Males

10419

M18-39

10419

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13381

Males

8689

M18-39

8689

Passing Analysis

Category:
Athletes Passed
332
Passed By
2749
Net Change
-2417
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1404
5K → 10K9444+50#1404#1354
10K → 15K8810+78#1354#1276
15K → 20K5638+18#1276#1258
20K → Half138+5#1258#1253
Half → 25K26105-79#1253#1332
25K → 30K9252-243#1332#1575
30K → 20M6337-331#1575#1906
20M → 21M5340-335#1906#2241
21M → 35K6182-176#2241#2417
35K → 23M10294-284#2417#2701
23M → 24M6225-219#2701#2920
24M → 40K6358-352#2920#3272
40K → 25.2M1193-192#3272#3464
25.2M → Finish6363-357#3464#3821
TOTALS3322749-2417
📊

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