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BOSTON MARATHON 2025

Mckayla Shollenberger

Bib: 11892•F

NC

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 39%
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
22:27
Rank: #9712
Start → 5K
22:27 | 7:14/mi
10K· 6.21 mi
45:20
Rank: #10318 (-606)
5K → 10K
22:53 | 7:22/mi
15K· 9.32 mi
1:09:11
Rank: #11283 (-965)
10K → 15K
23:51 | 7:41/mi
20K· 12.43 mi
1:34:50
Rank: #12760 (-1477)
15K → 20K
25:39 | 8:15/mi
Half· 13.11 mi
1:40:04
Rank: #12778 (-18)
20K → Half
5:14 | 7:40/mi
25K· 15.53 mi
1:59:59
Rank: #13231 (-453)
Half → 25K
19:55 | 8:13/mi
30K· 18.64 mi
2:26:59
Rank: #13766 (-535)
25K → 30K
27:00 | 8:41/mi
20M
2:39:05
Rank: #13947 (-181)
30K → 20M
12:06 | 8:54/mi
21M
2:48:50
Rank: #14183 (-236)
20M → 21M
9:45 | 9:45/mi
35K· 21.75 mi
2:55:33
Rank: #14381 (-198)
21M → 35K
6:43 | 8:59/mi
23M
3:07:13
Rank: #14599 (-218)
35K → 23M
11:40 | 9:19/mi
24M
3:16:01
Rank: #14667 (-68)
23M → 24M
8:48 | 8:48/mi
40K· 24.85 mi
3:23:54
Rank: #14769 (-102)
24M → 40K
7:53 | 9:13/mi
25.2M
3:27:38
Rank: #14874 (-105)
40K → 25.2M
3:44 | 10:50/mi
Finish· 26.22 mi
3:35:50
Rank: #14781 (+93)
25.2M → Finish
8:12 | 8:03/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:40:04
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:55:46
Pace8:50 /mi
📊Positive Split: 15.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0322:277:1422:27
7:14
-
10K
6.21 mi11:12:5645:207:1822:53
7:22
+0:08
15K
9.32 mi11:36:471:09:117:2523:51
7:41
+0:19
20K
12.43 mi12:02:261:34:507:3825:39
8:15
+0:34
Half
13.11 mi12:07:401:40:047:385:14
7:40
-0:35
25K
15.53 mi12:27:351:59:597:4319:55
8:13
+0:33
30K
18.64 mi12:54:352:26:597:5327:00
8:41
+0:28
20M
20.00 mi13:06:412:39:057:5712:06
8:54
+0:13
21M
21.00 mi13:16:262:48:508:029:45
9:45
+0:51
35K
21.75 mi13:23:092:55:338:046:43
8:59
-0:46
23M
23.00 mi13:34:493:07:138:0811:40
9:19
+0:20
24M
24.00 mi13:43:373:16:018:108:48
8:48
-0:31
40K
24.85 mi13:51:303:23:548:127:53
9:13
+0:25
25.2M
25.20 mi13:55:143:27:388:143:44
10:50
+1:37
Finish
26.22 mi14:03:263:35:508:148:12
8:03
-2:47

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

7:14 /mi

Average Pace

8:14 /mi

Slowest Pace

10:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:37

38% of race

Time at Steady Pace

1:40:11

46% of race

Time at Slower Pace

33:02

15% of race

Average Pace: 8:14 /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 mi10:50:0322:277:1422:27
7:14
#9712
10K
6.21 mi11:12:5645:207:1822:53
7:22
#10318
15K
9.32 mi11:36:471:09:117:2523:51
7:41
#11283
20K
12.43 mi12:02:261:34:507:3825:39
8:15
#12760
Half
13.11 mi12:07:401:40:047:385:14
7:40
#12778
25K
15.53 mi12:27:351:59:597:4319:55
8:13
#13231
30K
18.64 mi12:54:352:26:597:5327:00
8:41
#13766
20M
20.00 mi13:06:412:39:057:5712:06
8:54
#13947
21M
21.00 mi13:16:262:48:508:029:45
9:45
#14183
35K
21.75 mi13:23:092:55:338:046:43
8:59
#14381
23M
23.00 mi13:34:493:07:138:0811:40
9:19
#14599
24M
24.00 mi13:43:373:16:018:108:48
8:48
#14667
40K
24.85 mi13:51:303:23:548:127:53
9:13
#14769
25.2M
25.20 mi13:55:143:27:388:143:44
10:50
#14874
Finish
26.22 mi14:03:263:35:508:148:12
8:03
#14781
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi97121686168613286(Top 47%)3612(Top 30%)3612(Top 66%)
10K6.21 mi3.10 mi10318-6061966-2801966-28010899(Top 38%)2259(Top 18%)2259(Top 41%)
15K9.32 mi3.11 mi11283-9652469-5032469-50313286(Top 47%)3612(Top 30%)3612(Top 66%)
20K12.43 mi3.11 mi12760-14773308-8393308-83916669(Top 59%)5584(Top 46%)5584(Top 102%)
Half13.11 mi0.68 mi12778-183324-163324-1613251(Top 47%)3651(Top 30%)3651(Top 67%)
25K15.53 mi2.42 mi13231-4533616-2923616-29215400(Top 54%)4953(Top 41%)4953(Top 91%)
30K18.64 mi3.11 mi13766-5353974-3583974-35815947(Top 56%)5429(Top 44%)5429(Top 99%)
20M20.00 mi1.36 mi13947-1814113-1394113-13916264(Top 57%)5746(Top 47%)5746(Top 105%)
21M21.00 mi1.00 mi14183-2364264-1514264-15117262(Top 61%)6402(Top 52%)6402(Top 117%)
35K21.75 mi0.75 mi14381-1984386-1224386-12218131(Top 64%)6967(Top 57%)6967(Top 127%)
23M23.00 mi1.25 mi14599-2184548-1624548-16217853(Top 63%)6910(Top 57%)6910(Top 126%)
24M24.00 mi1.00 mi14667-684615-674615-6716328(Top 57%)6108(Top 50%)6108(Top 112%)
40K24.85 mi0.85 mi14769-1024704-894704-8917448(Top 61%)6824(Top 56%)6824(Top 125%)
25.2M25.20 mi0.35 mi14874-1054767-634767-6320117(Top 71%)8207(Top 67%)8207(Top 150%)
Finish26.22 mi1.02 mi14781+934745+224745+2213227(Top 47%)4567(Top 37%)4567(Top 84%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 47%
×21stories
+97ft-345ft

Overall

13286

Females

3612

F18-39

3612

5K→10K

3.1 - 6.2 mi

Top 38%
×5stories
+79ft-138ft

Overall

10899

Females

2259

F18-39

2259

10K→15K

6.2 - 9.3 mi

Top 47%
×3stories
+67ft-78ft

Overall

13286

Females

3612

F18-39

3612

15K→20K

9.3 - 12.4 mi

Top 59%
×5stories
+106ft-86ft

Overall

16669

Females

5584

F18-39

5584

20K→Half

12.4 - 13.1 mi

Top 47%
×2stories
+19ft-37ft

Overall

13251

Females

3651

F18-39

3651

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

15400

Females

4953

F18-39

4953

25K→30K

15.5 - 18.6 mi

Top 56%
×9stories
+181ft-148ft

Overall

15947

Females

5429

F18-39

5429

30K→20M

18.6 - 20.0 mi

Top 57%
×5stories
+64ft-50ft

Overall

16264

Females

5746

F18-39

5746

20M→21M

20.0 - 21.0 mi

Top 61%
×8stories
+106ft-24ft

Overall

17262

Females

6402

F18-39

6402

21M→35K

21.0 - 21.8 mi

Top 64%
×7stories
+17ft-86ft

Overall

18131

Females

6967

F18-39

6967

35K→23M

21.8 - 23.0 mi

Top 63%
×5stories
+23ft-63ft

Overall

17853

Females

6910

F18-39

6910

23M→24M

23.0 - 24.0 mi

Top 57%
×6stories
+12ft-82ft

Overall

16328

Females

6108

F18-39

6108

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17448

Females

6824

F18-39

6824

40K→25.2M

24.9 - 25.2 mi

Top 71%
×1story
+13ft-16ft

Overall

20117

Females

8207

F18-39

8207

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2stories
+22ft-21ft

Overall

13227

Females

4567

F18-39

4567

Passing Analysis

Category:
Athletes Passed
771
Passed By
5838
Net Change
-5069
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9712
5K → 10K61665-606#9712#10318
10K → 15K391004-965#10318#11283
15K → 20K241501-1477#11283#12760
20K → Half2745-18#12760#12778
Half → 25K71524-453#12778#13231
25K → 30K120655-535#13231#13766
30K → 20M72253-181#13766#13947
20M → 21M53289-236#13947#14183
21M → 35K22220-198#14183#14381
35K → 23M54272-218#14381#14599
23M → 24M51119-68#14599#14667
24M → 40K44146-102#14667#14769
40K → 25.2M12117-105#14769#14874
25.2M → Finish12128+93#14874#14781
TOTALS7715838-5069
📊

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