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BOSTON MARATHON 2025

Kalei Hering

Bib: 7323•F

WI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 28%
Gender (Female)
#0 / 12228
Top 11%
Division (F18-39)
#0 / 5469
Top 20%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:12
Rank: #6531
Start → 5K
21:12 | 6:49/mi
10K· 6.21 mi
42:14
Rank: #6276 (+255)
5K → 10K
21:02 | 6:46/mi
15K· 9.32 mi
1:03:44
Rank: #6553 (-277)
10K → 15K
21:30 | 6:55/mi
20K· 12.43 mi
1:26:08
Rank: #7082 (-529)
15K → 20K
22:24 | 7:13/mi
Half· 13.11 mi
1:31:04
Rank: #7163 (-81)
20K → Half
4:56 | 7:14/mi
25K· 15.53 mi
1:49:09
Rank: #7429 (-266)
Half → 25K
18:05 | 7:27/mi
30K· 18.64 mi
2:13:32
Rank: #7777 (-348)
25K → 30K
24:23 | 7:51/mi
20M
2:24:21
Rank: #7885 (-108)
30K → 20M
10:49 | 7:58/mi
21M
2:32:55
Rank: #7977 (-92)
20M → 21M
8:34 | 8:34/mi
35K· 21.75 mi
2:38:36
Rank: #8003 (-26)
21M → 35K
5:41 | 7:36/mi
23M
2:48:24
Rank: #7988 (+15)
35K → 23M
9:48 | 7:50/mi
24M
2:56:01
Rank: #7981 (+7)
23M → 24M
7:37 | 7:37/mi
40K· 24.85 mi
3:02:39
Rank: #7967 (+14)
24M → 40K
6:38 | 7:45/mi
25.2M
3:05:29
Rank: #7931 (+36)
40K → 25.2M
2:50 | 8:13/mi
Finish· 26.22 mi
3:12:56
Rank: #7876 (+55)
25.2M → Finish
7:27 | 7:19/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:31:04
Pace6:57 /mi
2nd Half
Distance13.11 mi
Time1:41:52
Pace7:46 /mi
📊Positive Split: 11.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:29:0421:126:4921:12
6:49
-
10K
6.21 mi10:50:0642:146:4821:02
6:46
-0:03
15K
9.32 mi11:11:361:03:446:5021:30
6:55
+0:09
20K
12.43 mi11:34:001:26:086:5622:24
7:13
+0:18
Half
13.11 mi11:38:561:31:046:574:56
7:14
+0:01
25K
15.53 mi11:57:011:49:097:0218:05
7:27
+0:13
30K
18.64 mi12:21:242:13:327:1024:23
7:51
+0:24
20M
20.00 mi12:32:132:24:217:1310:49
7:58
+0:07
21M
21.00 mi12:40:472:32:557:178:34
8:34
+0:36
35K
21.75 mi12:46:282:38:367:185:41
7:36
-0:58
23M
23.00 mi12:56:162:48:247:199:48
7:50
+0:14
24M
24.00 mi13:03:532:56:017:207:37
7:37
-0:13
40K
24.85 mi13:10:313:02:397:216:38
7:45
+0:08
25.2M
25.20 mi13:13:213:05:297:222:50
8:13
+0:28
Finish
26.22 mi13:20:483:12:567:227:27
7:19
-0:54

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

6:46 /mi

Average Pace

7:22 /mi

Slowest Pace

8:34 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:38:31

51% of race

Time at Steady Pace

47:49

25% of race

Time at Slower Pace

46:36

24% of race

Average Pace: 7:21 /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 mi10:29:0421:126:4921:12
6:49
#6531
10K
6.21 mi10:50:0642:146:4821:02
6:46
#6276
15K
9.32 mi11:11:361:03:446:5021:30
6:55
#6553
20K
12.43 mi11:34:001:26:086:5622:24
7:13
#7082
Half
13.11 mi11:38:561:31:046:574:56
7:14
#7163
25K
15.53 mi11:57:011:49:097:0218:05
7:27
#7429
30K
18.64 mi12:21:242:13:327:1024:23
7:51
#7777
20M
20.00 mi12:32:132:24:217:1310:49
7:58
#7885
21M
21.00 mi12:40:472:32:557:178:34
8:34
#7977
35K
21.75 mi12:46:282:38:367:185:41
7:36
#8003
23M
23.00 mi12:56:162:48:247:199:48
7:50
#7988
24M
24.00 mi13:03:532:56:017:207:37
7:37
#7981
40K
24.85 mi13:10:313:02:397:216:38
7:45
#7967
25.2M
25.20 mi13:13:213:05:297:222:50
8:13
#7931
Finish
26.22 mi13:20:483:12:567:227:27
7:19
#7876
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi65315805807109(Top 25%)763(Top 6%)763(Top 14%)
10K6.21 mi3.10 mi6276+255520+60520+606085(Top 21%)523(Top 4%)523(Top 10%)
15K9.32 mi3.11 mi6553-277617-97617-977109(Top 25%)763(Top 6%)763(Top 14%)
20K12.43 mi3.11 mi7082-529735-118735-1188295(Top 29%)1227(Top 10%)1227(Top 22%)
Half13.11 mi0.68 mi7163-81756-21756-219414(Top 33%)1657(Top 14%)1657(Top 30%)
25K15.53 mi2.42 mi7429-266846-90846-909611(Top 34%)1924(Top 16%)1924(Top 35%)
30K18.64 mi3.11 mi7777-3481019-1731019-17310278(Top 36%)2420(Top 20%)2420(Top 44%)
20M20.00 mi1.36 mi7885-1081103-841103-8410171(Top 36%)2508(Top 21%)2508(Top 46%)
21M21.00 mi1.00 mi7977-921169-661169-6610898(Top 38%)3035(Top 25%)3035(Top 55%)
35K21.75 mi0.75 mi8003-261198-291198-299332(Top 33%)2273(Top 19%)2273(Top 42%)
23M23.00 mi1.25 mi7988+151235-371235-378788(Top 31%)2157(Top 18%)2157(Top 39%)
24M24.00 mi1.00 mi7981+71273-381273-388544(Top 30%)2106(Top 17%)2106(Top 39%)
40K24.85 mi0.85 mi7967+141298-251298-258494(Top 30%)2209(Top 18%)2209(Top 40%)
25.2M25.20 mi0.35 mi7931+361296+21296+27204(Top 25%)1720(Top 14%)1720(Top 31%)
Finish26.22 mi1.02 mi7876+551305-91305-97868(Top 28%)2009(Top 16%)2009(Top 37%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 25%
×21stories
+97ft-345ft

Overall

7109

Females

763

F18-39

763

5K→10K

3.1 - 6.2 mi

Top 21%
×5stories
+79ft-138ft

Overall

6085

Females

523

F18-39

523

10K→15K

6.2 - 9.3 mi

Top 25%
×3stories
+67ft-78ft

Overall

7109

Females

763

F18-39

763

15K→20K

9.3 - 12.4 mi

Top 29%
×5stories
+106ft-86ft

Overall

8295

Females

1227

F18-39

1227

20K→Half

12.4 - 13.1 mi

Top 33%
×2stories
+19ft-37ft

Overall

9414

Females

1657

F18-39

1657

Half→25K

13.1 - 15.5 mi

Top 34%
×4stories
+66ft-88ft

Overall

9611

Females

1924

F18-39

1924

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

10278

Females

2420

F18-39

2420

30K→20M

18.6 - 20.0 mi

Top 36%
×5stories
+64ft-50ft

Overall

10171

Females

2508

F18-39

2508

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

10898

Females

3035

F18-39

3035

21M→35K

21.0 - 21.8 mi

Top 33%
×7stories
+17ft-86ft

Overall

9332

Females

2273

F18-39

2273

35K→23M

21.8 - 23.0 mi

Top 31%
×5stories
+23ft-63ft

Overall

8788

Females

2157

F18-39

2157

23M→24M

23.0 - 24.0 mi

Top 30%
×6stories
+12ft-82ft

Overall

8544

Females

2106

F18-39

2106

24M→40K

24.0 - 24.9 mi

Top 30%
×1story
+6ft-20ft

Overall

8494

Females

2209

F18-39

2209

40K→25.2M

24.9 - 25.2 mi

Top 25%
×1story
+13ft-16ft

Overall

7204

Females

1720

F18-39

1720

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2stories
+22ft-21ft

Overall

7868

Females

2009

F18-39

2009

Passing Analysis

Category:
Athletes Passed
1210
Passed By
2555
Net Change
-1345
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#6531
5K → 10K33984+255#6531#6276
10K → 15K80357-277#6276#6553
15K → 20K29558-529#6553#7082
20K → Half485-81#7082#7163
Half → 25K55321-266#7163#7429
25K → 30K94442-348#7429#7777
30K → 20M61169-108#7777#7885
20M → 21M78170-92#7885#7977
21M → 35K5480-26#7977#8003
35K → 23M117102+15#8003#7988
23M → 24M7164+7#7988#7981
24M → 40K7763+14#7981#7967
40K → 25.2M4610+36#7967#7931
25.2M → Finish10550+55#7931#7876
TOTALS12102555-1345
📊

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