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BOSTON MARATHON 2025

Nathaniel Hirschman

Bib: 1906•M

NJ

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 2%
Gender (Male)
#0 / 16105
Top 4%
Division (M18-39)
#0 / 5642
Top 9%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:14
Rank: #1793
Start → 5K
19:14 | 6:11/mi
10K· 6.21 mi
37:45
Rank: #1326 (+467)
5K → 10K
18:31 | 5:58/mi
15K· 9.32 mi
56:39
Rank: #1303 (+23)
10K → 15K
18:54 | 6:05/mi
20K· 12.43 mi
1:15:37
Rank: #1253 (+50)
15K → 20K
18:58 | 6:06/mi
Half· 13.11 mi
1:19:45
Rank: #1257 (-4)
20K → Half
4:08 | 6:03/mi
25K· 15.53 mi
1:34:20
Rank: #1169 (+88)
Half → 25K
14:35 | 6:01/mi
30K· 18.64 mi
1:52:54
Rank: #979 (+190)
25K → 30K
18:34 | 5:59/mi
20M
2:00:51
Rank: #870 (+109)
30K → 20M
7:57 | 5:51/mi
21M
2:07:10
Rank: #819 (+51)
20M → 21M
6:19 | 6:19/mi
35K· 21.75 mi
2:11:38
Rank: #804 (+15)
21M → 35K
4:28 | 5:58/mi
23M
2:19:13
Rank: #759 (+45)
35K → 23M
7:35 | 6:03/mi
24M
2:25:13
Rank: #730 (+29)
23M → 24M
6:00 | 6:00/mi
40K· 24.85 mi
2:30:01
Rank: #678 (+52)
24M → 40K
4:48 | 5:37/mi
25.2M
2:32:13
Rank: #662 (+16)
40K → 25.2M
2:12 | 6:23/mi
Finish· 26.22 mi
2:38:01
Rank: #648 (+14)
25.2M → Finish
5:48 | 5:41/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:19:45
Pace6:05 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:18:16
Pace5:58 /mi
📊Negative Split: 1.9% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:19:5619:146:1119:14
6:11
-
10K
6.21 mi10:38:2737:456:0518:31
5:58
-0:13
15K
9.32 mi10:57:2156:396:0518:54
6:05
+0:07
20K
12.43 mi11:16:191:15:376:0518:58
6:06
+0:01
Half
13.11 mi11:20:271:19:456:054:08
6:03
-0:03
25K
15.53 mi11:35:021:34:206:0414:35
6:01
-0:02
30K
18.64 mi11:53:361:52:546:0318:34
5:59
-0:02
20M
20.00 mi12:01:332:00:516:037:57
5:51
-0:08
21M
21.00 mi12:07:522:07:106:036:19
6:19
+0:28
35K
21.75 mi12:12:202:11:386:034:28
5:58
-0:21
23M
23.00 mi12:19:552:19:136:037:35
6:03
+0:05
24M
24.00 mi12:25:552:25:136:036:00
6:00
-0:03
40K
24.85 mi12:30:432:30:016:024:48
5:37
-0:23
25.2M
25.20 mi12:32:552:32:136:022:12
6:23
+0:46
Finish
26.22 mi12:38:432:38:016:025:48
5:41
-0:42

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

5:37 /mi

Average Pace

6:02 /mi

Slowest Pace

6:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:10:16

82% of race

Time at Steady Pace

27:45

18% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:02 /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 mi10:19:5619:146:1119:14
6:11
#1793
10K
6.21 mi10:38:2737:456:0518:31
5:58
#1326
15K
9.32 mi10:57:2156:396:0518:54
6:05
#1303
20K
12.43 mi11:16:191:15:376:0518:58
6:06
#1253
Half
13.11 mi11:20:271:19:456:054:08
6:03
#1257
25K
15.53 mi11:35:021:34:206:0414:35
6:01
#1169
30K
18.64 mi11:53:361:52:546:0318:34
5:59
#979
20M
20.00 mi12:01:332:00:516:037:57
5:51
#870
21M
21.00 mi12:07:522:07:106:036:19
6:19
#819
35K
21.75 mi12:12:202:11:386:034:28
5:58
#804
23M
23.00 mi12:19:552:19:136:037:35
6:03
#759
24M
24.00 mi12:25:552:25:136:036:00
6:00
#730
40K
24.85 mi12:30:432:30:016:024:48
5:37
#678
25.2M
25.20 mi12:32:552:32:136:022:12
6:23
#662
Finish
26.22 mi12:38:432:38:016:025:48
5:41
#648
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi1793170317031305(Top 5%)1238(Top 8%)1238(Top 22%)
10K6.21 mi3.10 mi1326+4671260+4431260+443987(Top 3%)932(Top 6%)932(Top 17%)
15K9.32 mi3.11 mi1303+231238+221238+221305(Top 5%)1238(Top 8%)1238(Top 22%)
20K12.43 mi3.11 mi1253+501185+531185+531176(Top 4%)1111(Top 7%)1111(Top 20%)
Half13.11 mi0.68 mi1257-41189-41189-41325(Top 5%)1257(Top 8%)1257(Top 22%)
25K15.53 mi2.42 mi1169+881105+841105+84842(Top 3%)789(Top 5%)789(Top 14%)
30K18.64 mi3.11 mi979+190922+183922+183463(Top 2%)429(Top 3%)429(Top 8%)
20M20.00 mi1.36 mi870+109818+104818+104230(Top 0.8%)211(Top 1%)211(Top 4%)
21M21.00 mi1.00 mi819+51768+50768+50389(Top 1%)366(Top 2%)366(Top 6%)
35K21.75 mi0.75 mi804+15754+14754+14659(Top 2%)616(Top 4%)616(Top 11%)
23M23.00 mi1.25 mi759+45710+44710+44419(Top 1%)393(Top 2%)393(Top 7%)
24M24.00 mi1.00 mi730+29681+29681+29578(Top 2%)541(Top 3%)541(Top 10%)
40K24.85 mi0.85 mi678+52629+52629+5299(Top 0.3%)93(Top 0.6%)93(Top 2%)
25.2M25.20 mi0.35 mi662+16613+16613+16314(Top 1%)292(Top 2%)292(Top 5%)
Finish26.22 mi1.02 mi648+14599+14599+14356(Top 1%)333(Top 2%)333(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 5%
×21stories
+97ft-345ft

Overall

1305

Males

1238

M18-39

1238

5K→10K

3.1 - 6.2 mi

Top 3%
×5stories
+79ft-138ft

Overall

987

Males

932

M18-39

932

10K→15K

6.2 - 9.3 mi

Top 5%
×3stories
+67ft-78ft

Overall

1305

Males

1238

M18-39

1238

15K→20K

9.3 - 12.4 mi

Top 4%
×5stories
+106ft-86ft

Overall

1176

Males

1111

M18-39

1111

20K→Half

12.4 - 13.1 mi

Top 5%
×2stories
+19ft-37ft

Overall

1325

Males

1257

M18-39

1257

Half→25K

13.1 - 15.5 mi

Top 3%
×4stories
+66ft-88ft

Overall

842

Males

789

M18-39

789

25K→30K

15.5 - 18.6 mi

Top 2%
×9stories
+181ft-148ft

Overall

463

Males

429

M18-39

429

30K→20M

18.6 - 20.0 mi

Top 0.8%
×5stories
+64ft-50ft

Overall

230

Males

211

M18-39

211

20M→21M

20.0 - 21.0 mi

Top 1%
×8stories
+106ft-24ft

Overall

389

Males

366

M18-39

366

21M→35K

21.0 - 21.8 mi

Top 2%
×7stories
+17ft-86ft

Overall

659

Males

616

M18-39

616

35K→23M

21.8 - 23.0 mi

Top 1%
×5stories
+23ft-63ft

Overall

419

Males

393

M18-39

393

23M→24M

23.0 - 24.0 mi

Top 2%
×6stories
+12ft-82ft

Overall

578

Males

541

M18-39

541

24M→40K

24.0 - 24.9 mi

Top 0.3%
×1story
+6ft-20ft

Overall

99

Males

93

M18-39

93

40K→25.2M

24.9 - 25.2 mi

Top 1%
×1story
+13ft-16ft

Overall

314

Males

292

M18-39

292

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

356

Males

333

M18-39

333

Passing Analysis

Category:
Athletes Passed
1233
Passed By
88
Net Change
+1145
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1793
5K → 10K4681+467#1793#1326
10K → 15K5633+23#1326#1303
15K → 20K7323+50#1303#1253
20K → Half913-4#1253#1257
Half → 25K946+88#1257#1169
25K → 30K1900+190#1169#979
30K → 20M1090+109#979#870
20M → 21M521+51#870#819
21M → 35K227+15#819#804
35K → 23M461+45#804#759
23M → 24M312+29#759#730
24M → 40K520+52#730#678
40K → 25.2M160+16#678#662
25.2M → Finish151+14#662#648
TOTALS123388+1145
📊

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