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BOSTON MARATHON 2025

Shannon Kohlitz

Bib: 5684•F

MI

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 16%
Gender (Female)
#0 / 12228
Top 3%
Division (F18-39)
#0 / 5469
Top 6%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:36
Rank: #7452
Start → 5K
6:57/mi
21:36 split
10K· 6.21 mi
43:11
Rank: #7518 (-66)
5K → 10K
6:57/mi
21:35 split
15K· 9.32 mi
1:04:55
Rank: #7527 (-9)
10K → 15K
7:00/mi
21:44 split
20K· 12.43 mi
1:26:26
Rank: #7210 (+317)
15K → 20K
6:56/mi
21:31 split
Half· 13.11 mi
1:30:59
Rank: #7125 (+85)
20K → Half
6:40/mi
4:33 split
25K· 15.53 mi
1:47:36
Rank: #6776 (+349)
Half → 25K
6:51/mi
16:37 split
30K· 18.64 mi
2:08:53
Rank: #6063 (+713)
25K → 30K
6:51/mi
21:17 split
20M
2:18:11
Rank: #5797 (+266)
30K → 20M
6:51/mi
9:18 split
21M
2:25:10
Rank: #5522 (+275)
20M → 21M
6:59/mi
6:59 split
35K· 21.75 mi
2:30:00
Rank: #5354 (+168)
21M → 35K
6:28/mi
4:50 split
23M
2:38:25
Rank: #5102 (+252)
35K → 23M
6:43/mi
8:25 split
24M
2:45:05
Rank: #4962 (+140)
23M → 24M
6:40/mi
6:40 split
40K· 24.85 mi
2:50:35
Rank: #4728 (+234)
24M → 40K
6:26/mi
5:30 split
25.2M
2:53:02
Rank: #4656 (+72)
40K → 25.2M
7:06/mi
2:27 split
Finish· 26.22 mi
2:59:16
Rank: #4437 (+219)
25.2M → Finish
6:07/mi
6:14 split

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:30:59
Pace6:56 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:28:17
Pace6:44 /mi
📊Negative Split: 3.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:27:2221:366:5721:36
6:57
-
10K
6.21 mi10:48:5743:116:5721:35
6:57
0:00
15K
9.32 mi11:10:411:04:556:5821:44
7:00
+0:03
20K
12.43 mi11:32:121:26:266:5721:31
6:56
-0:04
Half
13.11 mi11:36:451:30:596:564:33
6:40
-0:16
25K
15.53 mi11:53:221:47:366:5616:37
6:51
+0:11
30K
18.64 mi12:14:392:08:536:5521:17
6:51
0:00
20M
20.00 mi12:23:572:18:116:559:18
6:51
0:00
21M
21.00 mi12:30:562:25:106:556:59
6:59
+0:08
35K
21.75 mi12:35:462:30:006:544:50
6:28
-0:31
23M
23.00 mi12:44:112:38:256:538:25
6:43
+0:15
24M
24.00 mi12:50:512:45:056:536:40
6:40
-0:03
40K
24.85 mi12:56:212:50:356:525:30
6:26
-0:14
25.2M
25.20 mi12:58:482:53:026:522:27
7:06
+0:40
Finish
26.22 mi13:05:022:59:166:516:14
6:07
-0:59

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

6:07 /mi

Average Pace

6:51 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

36:12

20% of race

Time at Steady Pace

2:23:04

80% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:50 /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 mi10:27:2221:366:5721:36
6:57
#7452
10K
6.21 mi10:48:5743:116:5721:35
6:57
#7518
15K
9.32 mi11:10:411:04:556:5821:44
7:00
#7527
20K
12.43 mi11:32:121:26:266:5721:31
6:56
#7210
Half
13.11 mi11:36:451:30:596:564:33
6:40
#7125
25K
15.53 mi11:53:221:47:366:5616:37
6:51
#6776
30K
18.64 mi12:14:392:08:536:5521:17
6:51
#6063
20M
20.00 mi12:23:572:18:116:559:18
6:51
#5797
21M
21.00 mi12:30:562:25:106:556:59
6:59
#5522
35K
21.75 mi12:35:462:30:006:544:50
6:28
#5354
23M
23.00 mi12:44:112:38:256:538:25
6:43
#5102
24M
24.00 mi12:50:512:45:056:536:40
6:40
#4962
40K
24.85 mi12:56:212:50:356:525:30
6:26
#4728
25.2M
25.20 mi12:58:482:53:026:522:27
7:06
#4656
Finish
26.22 mi13:05:022:59:166:516:14
6:07
#4437
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi74528028027612(Top 27%)899(Top 7%)899(Top 16%)
10K6.21 mi3.10 mi7518-66831-29831-297603(Top 27%)866(Top 7%)866(Top 16%)
15K9.32 mi3.11 mi7527-9847-16847-167612(Top 27%)899(Top 7%)899(Top 16%)
20K12.43 mi3.11 mi7210+317768+79768+796396(Top 23%)639(Top 5%)639(Top 12%)
Half13.11 mi0.68 mi7125+85747+21747+215108(Top 18%)373(Top 3%)373(Top 7%)
25K15.53 mi2.42 mi6776+349677+70677+705321(Top 19%)440(Top 4%)440(Top 8%)
30K18.64 mi3.11 mi6063+713566+111566+1113765(Top 13%)273(Top 2%)273(Top 5%)
20M20.00 mi1.36 mi5797+266518+48518+483199(Top 11%)230(Top 2%)230(Top 4%)
21M21.00 mi1.00 mi5522+275472+46472+462221(Top 8%)138(Top 1%)138(Top 3%)
35K21.75 mi0.75 mi5354+168449+23449+232332(Top 8%)147(Top 1%)147(Top 3%)
23M23.00 mi1.25 mi5102+252421+28421+282383(Top 8%)161(Top 1%)161(Top 3%)
24M24.00 mi1.00 mi4962+140408+13408+132849(Top 10%)242(Top 2%)242(Top 4%)
40K24.85 mi0.85 mi4728+234376+32376+321408(Top 5%)97(Top 0.8%)97(Top 2%)
25.2M25.20 mi0.35 mi4656+72371+5371+51875(Top 7%)168(Top 1%)168(Top 3%)
Finish26.22 mi1.02 mi4437+219352+19352+191278(Top 4%)80(Top 0.7%)80(Top 1%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 27%
×21story building
+97ft-345ft

Overall

7612

Females

899

F18-39

899

5K→10K

3.1 - 6.2 mi

Top 27%
×5story building
+79ft-138ft

Overall

7603

Females

866

F18-39

866

10K→15K

6.2 - 9.3 mi

Top 27%
×3story building
+67ft-78ft

Overall

7612

Females

899

F18-39

899

15K→20K

9.3 - 12.4 mi

Top 23%
×5story building
+106ft-86ft

Overall

6396

Females

639

F18-39

639

20K→Half

12.4 - 13.1 mi

Top 18%
×2story building
+19ft-37ft

Overall

5108

Females

373

F18-39

373

Half→25K

13.1 - 15.5 mi

Top 19%
×4story building
+66ft-88ft

Overall

5321

Females

440

F18-39

440

25K→30K

15.5 - 18.6 mi

Top 13%
×9story building
+181ft-148ft

Overall

3765

Females

273

F18-39

273

30K→20M

18.6 - 20.0 mi

Top 11%
×5story building
+64ft-50ft

Overall

3199

Females

230

F18-39

230

20M→21M

20.0 - 21.0 mi

Top 8%
×8story building
+106ft-24ft

Overall

2221

Females

138

F18-39

138

21M→35K

21.0 - 21.8 mi

Top 8%
×7story building
+17ft-86ft

Overall

2332

Females

147

F18-39

147

35K→23M

21.8 - 23.0 mi

Top 8%
×5story building
+23ft-63ft

Overall

2383

Females

161

F18-39

161

23M→24M

23.0 - 24.0 mi

Top 10%
×6story building
+12ft-82ft

Overall

2849

Females

242

F18-39

242

24M→40K

24.0 - 24.9 mi

Top 5%
×1story
+6ft-20ft

Overall

1408

Females

97

F18-39

97

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1875

Females

168

F18-39

168

25.2M→Finish

25.2 - 26.2 mi

Top 4%
×2story building
+22ft-21ft

Overall

1278

Females

80

F18-39

80

Passing Analysis

Category:
Athletes Passed
3428
Passed By
413
Net Change
+3015
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7452
5K → 10K179245-66#7452#7518
10K → 15K133142-9#7518#7527
15K → 20K33114+317#7527#7210
20K → Half850+85#7210#7125
Half → 25K3501+349#7125#6776
25K → 30K7152+713#6776#6063
30K → 20M2693+266#6063#5797
20M → 21M2750+275#5797#5522
21M → 35K1680+168#5522#5354
35K → 23M2531+252#5354#5102
23M → 24M1433+140#5102#4962
24M → 40K2340+234#4962#4728
40K → 25.2M720+72#4728#4656
25.2M → Finish2212+219#4656#4437
TOTALS3428413+3015
📊

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