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BOSTON MARATHON 2025

Spencer Waldmann

Bib: 4904•M

MI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 4%
Gender (Male)
#0 / 16105
Top 6%
Division (M18-39)
#0 / 5642
Top 16%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:57
Rank: #3254
Start → 5K
19:57 | 6:25/mi
10K· 6.21 mi
39:49
Rank: #3109 (+145)
5K → 10K
19:52 | 6:24/mi
15K· 9.32 mi
59:23
Rank: #2813 (+296)
10K → 15K
19:34 | 6:18/mi
20K· 12.43 mi
1:18:37
Rank: #2398 (+415)
15K → 20K
19:14 | 6:11/mi
Half· 13.11 mi
1:22:48
Rank: #2346 (+52)
20K → Half
4:11 | 6:08/mi
25K· 15.53 mi
1:37:41
Rank: #2114 (+232)
Half → 25K
14:53 | 6:08/mi
30K· 18.64 mi
1:56:55
Rank: #1811 (+303)
25K → 30K
19:14 | 6:11/mi
20M
2:05:17
Rank: #1663 (+148)
30K → 20M
8:22 | 6:09/mi
21M
2:11:39
Rank: #1538 (+125)
20M → 21M
6:22 | 6:22/mi
35K· 21.75 mi
2:16:04
Rank: #1460 (+78)
21M → 35K
4:25 | 5:54/mi
23M
2:23:41
Rank: #1336 (+124)
35K → 23M
7:37 | 6:05/mi
24M
2:29:39
Rank: #1266 (+70)
23M → 24M
5:58 | 5:58/mi
40K· 24.85 mi
2:34:45
Rank: #1193 (+73)
24M → 40K
5:06 | 5:58/mi
25.2M
2:37:00
Rank: #1164 (+29)
40K → 25.2M
2:15 | 6:31/mi
Finish· 26.22 mi
2:42:51
Rank: #1104 (+60)
25.2M → Finish
5:51 | 5:44/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:22:48
Pace6:19 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:20:03
Pace6:06 /mi
📊Negative Split: 3.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:23:1819:576:2519:57
6:25
-
10K
6.21 mi10:43:1039:496:2419:52
6:24
-0:01
15K
9.32 mi11:02:4459:236:2219:34
6:18
-0:06
20K
12.43 mi11:21:581:18:376:2019:14
6:11
-0:07
Half
13.11 mi11:26:091:22:486:194:11
6:08
-0:03
25K
15.53 mi11:41:021:37:416:1714:53
6:08
0:00
30K
18.64 mi12:00:161:56:556:1619:14
6:11
+0:03
20M
20.00 mi12:08:382:05:176:168:22
6:09
-0:02
21M
21.00 mi12:15:002:11:396:166:22
6:22
+0:13
35K
21.75 mi12:19:252:16:046:154:25
5:54
-0:28
23M
23.00 mi12:27:022:23:416:157:37
6:05
+0:11
24M
24.00 mi12:33:002:29:396:145:58
5:58
-0:07
40K
24.85 mi12:38:062:34:456:145:06
5:58
0:00
25.2M
25.20 mi12:40:212:37:006:142:15
6:31
+0:33
Finish
26.22 mi12:46:122:42:516:135:51
5:44
-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

5:44 /mi

Average Pace

6:13 /mi

Slowest Pace

6:31 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:54:25

70% of race

Time at Steady Pace

48:26

30% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:13 /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 mi10:23:1819:576:2519:57
6:25
#3254
10K
6.21 mi10:43:1039:496:2419:52
6:24
#3109
15K
9.32 mi11:02:4459:236:2219:34
6:18
#2813
20K
12.43 mi11:21:581:18:376:2019:14
6:11
#2398
Half
13.11 mi11:26:091:22:486:194:11
6:08
#2346
25K
15.53 mi11:41:021:37:416:1714:53
6:08
#2114
30K
18.64 mi12:00:161:56:556:1619:14
6:11
#1811
20M
20.00 mi12:08:382:05:176:168:22
6:09
#1663
21M
21.00 mi12:15:002:11:396:166:22
6:22
#1538
35K
21.75 mi12:19:252:16:046:154:25
5:54
#1460
23M
23.00 mi12:27:022:23:416:157:37
6:05
#1336
24M
24.00 mi12:33:002:29:396:145:58
5:58
#1266
40K
24.85 mi12:38:062:34:456:145:06
5:58
#1193
25.2M
25.20 mi12:40:212:37:006:142:15
6:31
#1164
Finish
26.22 mi12:46:122:42:516:135:51
5:44
#1104
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi3254308930892313(Top 8%)2206(Top 14%)2206(Top 39%)
10K6.21 mi3.10 mi3109+1452956+1332956+1332992(Top 11%)2848(Top 18%)2848(Top 50%)
15K9.32 mi3.11 mi2813+2962682+2742682+2742313(Top 8%)2206(Top 14%)2206(Top 39%)
20K12.43 mi3.11 mi2398+4152288+3942288+3941536(Top 5%)1457(Top 9%)1457(Top 26%)
Half13.11 mi0.68 mi2346+522238+502238+501620(Top 6%)1539(Top 10%)1539(Top 27%)
25K15.53 mi2.42 mi2114+2322017+2212017+2211234(Top 4%)1167(Top 7%)1167(Top 21%)
30K18.64 mi3.11 mi1811+3031724+2931724+293893(Top 3%)837(Top 5%)837(Top 15%)
20M20.00 mi1.36 mi1663+1481578+1461578+146640(Top 2%)600(Top 4%)600(Top 11%)
21M21.00 mi1.00 mi1538+1251456+1221456+122466(Top 2%)440(Top 3%)440(Top 8%)
35K21.75 mi0.75 mi1460+781380+761380+76543(Top 2%)507(Top 3%)507(Top 9%)
23M23.00 mi1.25 mi1336+1241259+1211259+121466(Top 2%)439(Top 3%)439(Top 8%)
24M24.00 mi1.00 mi1266+701191+681191+68520(Top 2%)484(Top 3%)484(Top 9%)
40K24.85 mi0.85 mi1193+731123+681123+68356(Top 1%)330(Top 2%)330(Top 6%)
25.2M25.20 mi0.35 mi1164+291096+271096+27502(Top 2%)467(Top 3%)467(Top 8%)
Finish26.22 mi1.02 mi1104+601040+561040+56428(Top 2%)402(Top 2%)402(Top 7%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 8%
×21stories
+97ft-345ft

Overall

2313

Males

2206

M18-39

2206

5K→10K

3.1 - 6.2 mi

Top 11%
×5stories
+79ft-138ft

Overall

2992

Males

2848

M18-39

2848

10K→15K

6.2 - 9.3 mi

Top 8%
×3stories
+67ft-78ft

Overall

2313

Males

2206

M18-39

2206

15K→20K

9.3 - 12.4 mi

Top 5%
×5stories
+106ft-86ft

Overall

1536

Males

1457

M18-39

1457

20K→Half

12.4 - 13.1 mi

Top 6%
×2stories
+19ft-37ft

Overall

1620

Males

1539

M18-39

1539

Half→25K

13.1 - 15.5 mi

Top 4%
×4stories
+66ft-88ft

Overall

1234

Males

1167

M18-39

1167

25K→30K

15.5 - 18.6 mi

Top 3%
×9stories
+181ft-148ft

Overall

893

Males

837

M18-39

837

30K→20M

18.6 - 20.0 mi

Top 2%
×5stories
+64ft-50ft

Overall

640

Males

600

M18-39

600

20M→21M

20.0 - 21.0 mi

Top 2%
×8stories
+106ft-24ft

Overall

466

Males

440

M18-39

440

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

543

Males

507

M18-39

507

35K→23M

21.8 - 23.0 mi

Top 2%
×5stories
+23ft-63ft

Overall

466

Males

439

M18-39

439

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

520

Males

484

M18-39

484

24M→40K

24.0 - 24.9 mi

Top 1%
×1story
+6ft-20ft

Overall

356

Males

330

M18-39

330

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

502

Males

467

M18-39

467

25.2M→Finish

25.2 - 26.2 mi

Top 2%
×2stories
+22ft-21ft

Overall

428

Males

402

M18-39

402

Passing Analysis

Category:
Athletes Passed
2236
Passed By
86
Net Change
+2150
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3254
5K → 10K21671+145#3254#3109
10K → 15K3026+296#3109#2813
15K → 20K4150+415#2813#2398
20K → Half520+52#2398#2346
Half → 25K2331+232#2346#2114
25K → 30K3052+303#2114#1811
30K → 20M1480+148#1811#1663
20M → 21M1250+125#1663#1538
21M → 35K791+78#1538#1460
35K → 23M1251+124#1460#1336
23M → 24M733+70#1336#1266
24M → 40K730+73#1266#1193
40K → 25.2M290+29#1193#1164
25.2M → Finish611+60#1164#1104
TOTALS223686+2150
📊

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