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BOSTON MARATHON 2025

Jordan Zimmerman

Bib: 17145•F

PA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 49%
Gender (Female)
#0 / 12228
Top 35%
Division (F18-39)
#0 / 5469
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:50
Rank: #13727
Start → 5K
7:40/mi
23:50 split
10K· 6.21 mi
47:45
Rank: #13799 (-72)
5K → 10K
7:42/mi
23:55 split
15K· 9.32 mi
1:11:52
Rank: #13847 (-48)
10K → 15K
7:46/mi
24:07 split
20K· 12.43 mi
1:37:57
Rank: #14938 (-1091)
15K → 20K
8:24/mi
26:05 split
Half· 13.11 mi
1:43:22
Rank: #14966 (-28)
20K → Half
7:56/mi
5:25 split
25K· 15.53 mi
2:02:44
Rank: #14721 (+245)
Half → 25K
7:59/mi
19:22 split
30K· 18.64 mi
2:28:36
Rank: #14455 (+266)
25K → 30K
8:20/mi
25:52 split
20M
2:40:04
Rank: #14354 (+101)
30K → 20M
8:26/mi
11:28 split
21M
2:49:00
Rank: #14259 (+95)
20M → 21M
8:56/mi
8:56 split
35K· 21.75 mi
2:55:06
Rank: #14213 (+46)
21M → 35K
8:09/mi
6:06 split
23M
3:05:33
Rank: #14081 (+132)
35K → 23M
8:21/mi
10:27 split
24M
3:14:12
Rank: #14140 (-59)
23M → 24M
8:39/mi
8:39 split
40K· 24.85 mi
3:21:27
Rank: #14085 (+55)
24M → 40K
8:29/mi
7:15 split
25.2M
3:24:36
Rank: #14045 (+40)
40K → 25.2M
9:08/mi
3:09 split
Finish· 26.22 mi
3:32:52
Rank: #13990 (+55)
25.2M → Finish
8:07/mi
8:16 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:22
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:49:30
Pace8:21 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:0323:507:4023:50
7:40
-
10K
6.21 mi11:37:5847:457:4123:55
7:42
+0:02
15K
9.32 mi12:02:051:11:527:4324:07
7:46
+0:04
20K
12.43 mi12:28:101:37:577:5326:05
8:24
+0:38
Half
13.11 mi12:33:351:43:227:535:25
7:56
-0:28
25K
15.53 mi12:52:572:02:447:5419:22
7:59
+0:03
30K
18.64 mi13:18:492:28:367:5825:52
8:20
+0:21
20M
20.00 mi13:30:172:40:048:0011:28
8:26
+0:06
21M
21.00 mi13:39:132:49:008:038:56
8:56
+0:30
35K
21.75 mi13:45:192:55:068:036:06
8:09
-0:47
23M
23.00 mi13:55:463:05:338:0410:27
8:21
+0:12
24M
24.00 mi14:04:253:14:128:068:39
8:39
+0:18
40K
24.85 mi14:11:403:21:278:067:15
8:29
-0:10
25.2M
25.20 mi14:14:493:24:368:073:09
9:08
+0:39
Finish
26.22 mi14:23:053:32:528:078:16
8:07
-1:01

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

7:40 /mi

Average Pace

8:07 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:53:25

81% of race

Time at Steady Pace

36:18

17% of race

Time at Slower Pace

3:09

1% of race

Average Pace: 8:07 /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 mi11:14:0323:507:4023:50
7:40
#13727
10K
6.21 mi11:37:5847:457:4123:55
7:42
#13799
15K
9.32 mi12:02:051:11:527:4324:07
7:46
#13847
20K
12.43 mi12:28:101:37:577:5326:05
8:24
#14938
Half
13.11 mi12:33:351:43:227:535:25
7:56
#14966
25K
15.53 mi12:52:572:02:447:5419:22
7:59
#14721
30K
18.64 mi13:18:492:28:367:5825:52
8:20
#14455
20M
20.00 mi13:30:172:40:048:0011:28
8:26
#14354
21M
21.00 mi13:39:132:49:008:038:56
8:56
#14259
35K
21.75 mi13:45:192:55:068:036:06
8:09
#14213
23M
23.00 mi13:55:463:05:338:0410:27
8:21
#14081
24M
24.00 mi14:04:253:14:128:068:39
8:39
#14140
40K
24.85 mi14:11:403:21:278:067:15
8:29
#14085
25.2M
25.20 mi14:14:493:24:368:073:09
9:08
#14045
Finish
26.22 mi14:23:053:32:528:078:16
8:07
#13990
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi137273727372714062(Top 50%)4054(Top 33%)4054(Top 74%)
10K6.21 mi3.10 mi13799-723825-983825-9813899(Top 49%)3900(Top 32%)3900(Top 71%)
15K9.32 mi3.11 mi13847-483874-493874-4914062(Top 50%)4054(Top 33%)4054(Top 74%)
20K12.43 mi3.11 mi14938-10914549-6754549-67517522(Top 62%)6058(Top 50%)6058(Top 111%)
Half13.11 mi0.68 mi14966-284573-244573-2415446(Top 54%)4846(Top 40%)4846(Top 89%)
25K15.53 mi2.42 mi14721+2454458+1154458+11513814(Top 49%)4114(Top 34%)4114(Top 75%)
30K18.64 mi3.11 mi14455+2664366+924366+9213663(Top 48%)4176(Top 34%)4176(Top 76%)
20M20.00 mi1.36 mi14354+1014331+354331+3513416(Top 47%)4202(Top 34%)4202(Top 77%)
21M21.00 mi1.00 mi14259+954303+284303+2813147(Top 46%)4192(Top 34%)4192(Top 77%)
35K21.75 mi0.75 mi14213+464299+44299+413337(Top 47%)4336(Top 35%)4336(Top 79%)
23M23.00 mi1.25 mi14081+1324270+294270+2912348(Top 43%)3931(Top 32%)3931(Top 72%)
24M24.00 mi1.00 mi14140-594331-614331-6115458(Top 54%)5620(Top 46%)5620(Top 103%)
40K24.85 mi0.85 mi14085+554323+84323+813321(Top 47%)4608(Top 38%)4608(Top 84%)
25.2M25.20 mi0.35 mi14045+404312+114312+1112625(Top 44%)4304(Top 35%)4304(Top 79%)
Finish26.22 mi1.02 mi13990+554313-14313-113696(Top 48%)4794(Top 39%)4794(Top 88%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 50%
×21story building
+97ft-345ft

Overall

14062

Females

4054

F18-39

4054

5K→10K

3.1 - 6.2 mi

Top 49%
×5story building
+79ft-138ft

Overall

13899

Females

3900

F18-39

3900

10K→15K

6.2 - 9.3 mi

Top 50%
×3story building
+67ft-78ft

Overall

14062

Females

4054

F18-39

4054

15K→20K

9.3 - 12.4 mi

Top 62%
×5story building
+106ft-86ft

Overall

17522

Females

6058

F18-39

6058

20K→Half

12.4 - 13.1 mi

Top 54%
×2story building
+19ft-37ft

Overall

15446

Females

4846

F18-39

4846

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13814

Females

4114

F18-39

4114

25K→30K

15.5 - 18.6 mi

Top 48%
×9story building
+181ft-148ft

Overall

13663

Females

4176

F18-39

4176

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

13416

Females

4202

F18-39

4202

20M→21M

20.0 - 21.0 mi

Top 46%
×8story building
+106ft-24ft

Overall

13147

Females

4192

F18-39

4192

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

13337

Females

4336

F18-39

4336

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

12348

Females

3931

F18-39

3931

23M→24M

23.0 - 24.0 mi

Top 54%
×6story building
+12ft-82ft

Overall

15458

Females

5620

F18-39

5620

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13321

Females

4608

F18-39

4608

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12625

Females

4304

F18-39

4304

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

13696

Females

4794

F18-39

4794

Passing Analysis

Category:
Athletes Passed
2088
Passed By
2351
Net Change
-263
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13727
5K → 10K257329-72#13727#13799
10K → 15K176224-48#13799#13847
15K → 20K391130-1091#13847#14938
20K → Half2856-28#14938#14966
Half → 25K29954+245#14966#14721
25K → 30K370104+266#14721#14455
30K → 20M17069+101#14455#14354
20M → 21M16065+95#14354#14259
21M → 35K9145+46#14259#14213
35K → 23M17644+132#14213#14081
23M → 24M67126-59#14081#14140
24M → 40K9540+55#14140#14085
40K → 25.2M5515+40#14085#14045
25.2M → Finish10550+55#14045#13990
TOTALS20882351-263
📊

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