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BOSTON MARATHON 2025

Jerrod Zimmer

Bib: 26502•M

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 48%
Gender (Male)
#0 / 16105
Division (M18-39)
#0 / 5642
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
8:08/mi
25:15
↑ 97↓ 3451.5%
10K· 6.21 mi
7:49/mi
49:33
↑ 79↓ 1380.4%
15K· 9.32 mi
7:55/mi
1:14:10
↑ 67↓ 78
20K· 12.43 mi
7:47/mi
1:38:20
↑ 106↓ 860.1%
Half· 13.11 mi
7:24/mi
1:43:23
↑ 19↓ 370.5%
25K· 15.53 mi
7:52/mi
2:02:27
↑ 66↓ 880.2%
30K· 18.64 mi
8:08/mi
2:27:44
↑ 181↓ 1480.2%
20M
8:06/mi
2:38:45
↑ 64↓ 500.2%
21M
8:51/mi
2:47:36
↑ 106↓ 241.6%
35K· 21.75 mi
8:27/mi
2:53:55
↑ 17↓ 861.7%
23M
8:32/mi
3:04:36
↑ 23↓ 630.6%
24M
8:39/mi
3:13:15
↓ 821.3%
40K· 24.85 mi
8:30/mi
3:20:31
↓ 200.3%
25.2M
8:51/mi
3:23:34
↑ 13↓ 160.2%
Finish· 26.22 mi
7:33/mi
3:31:16
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:23
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:47:53
Pace8:14 /mi
📊Positive Split: 4.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:1425:158:0825:15
8:08
-
10K
6.21 mi12:14:3249:337:5824:18
7:49
-0:19
15K
9.32 mi12:39:091:14:107:5724:37
7:55
+0:06
20K
12.43 mi13:03:191:38:207:5524:10
7:47
-0:08
Half
13.11 mi13:08:221:43:237:535:03
7:24
-0:23
25K
15.53 mi13:27:262:02:277:5319:04
7:52
+0:28
30K
18.64 mi13:52:432:27:447:5625:17
8:08
+0:16
20M
20.00 mi14:03:442:38:457:5611:01
8:06
-0:02
21M
21.00 mi14:12:352:47:367:598:51
8:51
+0:45
35K
21.75 mi14:18:542:53:558:006:19
8:27
-0:24
23M
23.00 mi14:29:353:04:368:0210:41
8:32
+0:05
24M
24.00 mi14:38:143:13:158:038:39
8:39
+0:07
40K
24.85 mi14:45:303:20:318:047:16
8:30
-0:09
25.2M
25.20 mi14:48:333:23:348:053:03
8:51
+0:21
Finish
26.22 mi14:56:153:31:168:047:42
7:33
-1:18

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

7:24 /mi

Average Pace

8:04 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:46:27

79% of race

Time at Steady Pace

32:55

16% of race

Time at Slower Pace

11:54

6% of race

Average Pace: 8:03 /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 mi11:50:1425:158:0825:15
8:08
#17538
10K
6.21 mi12:14:3249:337:5824:18
7:49
#16291
15K
9.32 mi12:39:091:14:107:5724:37
7:55
#15984
20K
12.43 mi13:03:191:38:207:5524:10
7:47
#15213
Half
13.11 mi13:08:221:43:237:535:03
7:24
#14972
25K
15.53 mi13:27:262:02:277:5319:04
7:52
#14564
30K
18.64 mi13:52:432:27:447:5625:17
8:08
#14070
20M
20.00 mi14:03:442:38:457:5611:01
8:06
#13802
21M
21.00 mi14:12:352:47:367:598:51
8:51
#13704
35K
21.75 mi14:18:542:53:558:006:19
8:27
#13749
23M
23.00 mi14:29:353:04:368:0210:41
8:32
#13720
24M
24.00 mi14:38:143:13:158:038:39
8:39
#13819
40K
24.85 mi14:45:303:20:318:047:16
8:30
#13779
25.2M
25.20 mi14:48:333:23:348:053:03
8:51
#13722
Finish
26.22 mi14:56:153:31:168:047:42
7:33
#13551
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM18-39Seg. OverallSeg. MalesSeg. M18-39
5K3.11 mi3.11 mi17538114311143115401(Top 54%)10543(Top 65%)10543(Top 187%)
10K6.21 mi3.10 mi16291+124710923+50810923+50814997(Top 53%)10418(Top 65%)10418(Top 185%)
15K9.32 mi3.11 mi15984+30710802+12110802+12115401(Top 54%)10543(Top 65%)10543(Top 187%)
20K12.43 mi3.11 mi15213+77110462+34010462+34013082(Top 46%)9454(Top 59%)9454(Top 168%)
Half13.11 mi0.68 mi14972+24110350+11210350+11210886(Top 38%)8511(Top 53%)8511(Top 151%)
25K15.53 mi2.42 mi14564+40810147+20310147+20312853(Top 45%)9226(Top 57%)9226(Top 164%)
30K18.64 mi3.11 mi14070+4949884+2639884+26312357(Top 44%)8844(Top 55%)8844(Top 157%)
20M20.00 mi1.36 mi13802+2689733+1519733+15111156(Top 39%)8118(Top 50%)8118(Top 144%)
21M21.00 mi1.00 mi13704+989661+729661+7212593(Top 44%)8641(Top 54%)8641(Top 153%)
35K21.75 mi0.75 mi13749-459658+39658+315097(Top 53%)9763(Top 61%)9763(Top 173%)
23M23.00 mi1.25 mi13720+299612+469612+4613504(Top 48%)8940(Top 56%)8940(Top 158%)
24M24.00 mi1.00 mi13819-999620-89620-815419(Top 54%)9770(Top 61%)9770(Top 173%)
40K24.85 mi0.85 mi13779+409569+519569+5113399(Top 47%)8710(Top 54%)8710(Top 154%)
25.2M25.20 mi0.35 mi13722+579536+339536+3310892(Top 38%)7445(Top 46%)7445(Top 132%)
Finish26.22 mi1.02 mi13551+1719448+889448+889601(Top 34%)6773(Top 42%)6773(Top 120%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 54%
×21story building
+97ft-345ft

Overall

15401

Males

10543

M18-39

10543

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

14997

Males

10418

M18-39

10418

10K→15K

6.2 - 9.3 mi

Top 54%
×3story building
+67ft-78ft

Overall

15401

Males

10543

M18-39

10543

15K→20K

9.3 - 12.4 mi

Top 46%
×5story building
+106ft-86ft

Overall

13082

Males

9454

M18-39

9454

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

10886

Males

8511

M18-39

8511

Half→25K

13.1 - 15.5 mi

Top 45%
×4story building
+66ft-88ft

Overall

12853

Males

9226

M18-39

9226

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

12357

Males

8844

M18-39

8844

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

11156

Males

8118

M18-39

8118

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

12593

Males

8641

M18-39

8641

21M→35K

21.0 - 21.8 mi

Top 53%
×7story building
+17ft-86ft

Overall

15097

Males

9763

M18-39

9763

35K→23M

21.8 - 23.0 mi

Top 48%
×5story building
+23ft-63ft

Overall

13504

Males

8940

M18-39

8940

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

15419

Males

9770

M18-39

9770

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13399

Males

8710

M18-39

8710

40K→25.2M

24.9 - 25.2 mi

Top 38%
×1story
+13ft-16ft

Overall

10892

Males

7445

M18-39

7445

25.2M→Finish

25.2 - 26.2 mi

Top 34%
×2story building
+22ft-21ft

Overall

9601

Males

6773

M18-39

6773

Passing Analysis

Category:
Athletes Passed
4649
Passed By
662
Net Change
+3987
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17538
5K → 10K128134+1247#17538#16291
10K → 15K39487+307#16291#15984
15K → 20K7776+771#15984#15213
20K → Half2421+241#15213#14972
Half → 25K42012+408#14972#14564
25K → 30K53238+494#14564#14070
30K → 20M2779+268#14070#13802
20M → 21M15456+98#13802#13704
21M → 35K4489-45#13704#13749
35K → 23M12394+29#13749#13720
23M → 24M61160-99#13720#13819
24M → 40K9959+40#13819#13779
40K → 25.2M658+57#13779#13722
25.2M → Finish1809+171#13722#13551
TOTALS4649662+3987
📊

Passing Visuals

Category:
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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