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BOSTON MARATHON 2025

Katherine Somers

Bib: 12058•F

NV

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 14%
Gender (Female)
#0 / 12228
Top 2%
Division (F18-39)
#0 / 5469
Top 5%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:48
Rank: #7964
Start → 5K
7:01/mi
21:48 split
10K· 6.21 mi
42:51
Rank: #7133 (+831)
5K → 10K
6:47/mi
21:03 split
15K· 9.32 mi
1:03:30
Rank: #6326 (+807)
10K → 15K
6:39/mi
20:39 split
20K· 12.43 mi
1:24:34
Rank: #5985 (+341)
15K → 20K
6:47/mi
21:04 split
Half· 13.11 mi
1:29:07
Rank: #5936 (+49)
20K → Half
6:40/mi
4:33 split
25K· 15.53 mi
1:45:30
Rank: #5642 (+294)
Half → 25K
6:45/mi
16:23 split
30K· 18.64 mi
2:06:55
Rank: #5239 (+403)
25K → 30K
6:54/mi
21:25 split
20M
2:16:07
Rank: #4973 (+266)
30K → 20M
6:46/mi
9:12 split
21M
2:23:07
Rank: #4732 (+241)
20M → 21M
7:00/mi
7:00 split
35K· 21.75 mi
2:27:54
Rank: #4567 (+165)
21M → 35K
6:24/mi
4:47 split
23M
2:36:17
Rank: #4350 (+217)
35K → 23M
6:42/mi
8:23 split
24M
2:42:49
Rank: #4179 (+171)
23M → 24M
6:32/mi
6:32 split
40K· 24.85 mi
2:48:36
Rank: #4102 (+77)
24M → 40K
6:46/mi
5:47 split
25.2M
2:51:07
Rank: #4054 (+48)
40K → 25.2M
7:18/mi
2:31 split
Finish· 26.22 mi
2:57:37
Rank: #3927 (+127)
25.2M → Finish
6:23/mi
6:30 split

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:29:07
Pace6:48 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:28:30
Pace6:45 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:1921:487:0121:48
7:01
-
10K
6.21 mi11:10:2242:516:5421:03
6:47
-0:14
15K
9.32 mi11:31:011:03:306:4920:39
6:39
-0:08
20K
12.43 mi11:52:051:24:346:4821:04
6:47
+0:08
Half
13.11 mi11:56:381:29:076:484:33
6:40
-0:07
25K
15.53 mi12:13:011:45:306:4716:23
6:45
+0:05
30K
18.64 mi12:34:262:06:556:4921:25
6:54
+0:09
20M
20.00 mi12:43:382:16:076:489:12
6:46
-0:08
21M
21.00 mi12:50:382:23:076:497:00
7:00
+0:14
35K
21.75 mi12:55:252:27:546:484:47
6:24
-0:36
23M
23.00 mi13:03:482:36:176:488:23
6:42
+0:18
24M
24.00 mi13:10:202:42:496:476:32
6:32
-0:10
40K
24.85 mi13:16:072:48:366:475:47
6:46
+0:14
25.2M
25.20 mi13:18:382:51:076:472:31
7:18
+0:32
Finish
26.22 mi13:25:082:57:376:476:30
6:23
-0:55

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

6:23 /mi

Average Pace

6:47 /mi

Slowest Pace

7:18 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:55:06

99% of race

Time at Steady Pace

2:31

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:46 /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 mi10:49:1921:487:0121:48
7:01
#7964
10K
6.21 mi11:10:2242:516:5421:03
6:47
#7133
15K
9.32 mi11:31:011:03:306:4920:39
6:39
#6326
20K
12.43 mi11:52:051:24:346:4821:04
6:47
#5985
Half
13.11 mi11:56:381:29:076:484:33
6:40
#5936
25K
15.53 mi12:13:011:45:306:4716:23
6:45
#5642
30K
18.64 mi12:34:262:06:556:4921:25
6:54
#5239
20M
20.00 mi12:43:382:16:076:489:12
6:46
#4973
21M
21.00 mi12:50:382:23:076:497:00
7:00
#4732
35K
21.75 mi12:55:252:27:546:484:47
6:24
#4567
23M
23.00 mi13:03:482:36:176:488:23
6:42
#4350
24M
24.00 mi13:10:202:42:496:476:32
6:32
#4179
40K
24.85 mi13:16:072:48:366:475:47
6:46
#4102
25.2M
25.20 mi13:18:382:51:076:472:31
7:18
#4054
Finish
26.22 mi13:25:082:57:376:476:30
6:23
#3927
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi79649659654638(Top 16%)289(Top 2%)289(Top 5%)
10K6.21 mi3.10 mi7133+831724+241724+2416133(Top 22%)525(Top 4%)525(Top 10%)
15K9.32 mi3.11 mi6326+807543+181543+1814638(Top 16%)289(Top 2%)289(Top 5%)
20K12.43 mi3.11 mi5985+341499+44499+445128(Top 18%)388(Top 3%)388(Top 7%)
Half13.11 mi0.68 mi5936+49489+10489+105099(Top 18%)364(Top 3%)364(Top 7%)
25K15.53 mi2.42 mi5642+294451+38451+384562(Top 16%)333(Top 3%)333(Top 6%)
30K18.64 mi3.11 mi5239+403413+38413+384039(Top 14%)308(Top 3%)308(Top 6%)
20M20.00 mi1.36 mi4973+266378+35378+352808(Top 10%)173(Top 1%)173(Top 3%)
21M21.00 mi1.00 mi4732+241343+35343+352284(Top 8%)143(Top 1%)143(Top 3%)
35K21.75 mi0.75 mi4567+165326+17326+172045(Top 7%)124(Top 1%)124(Top 2%)
23M23.00 mi1.25 mi4350+217312+14312+142262(Top 8%)146(Top 1%)146(Top 3%)
24M24.00 mi1.00 mi4179+171294+18294+182221(Top 8%)159(Top 1%)159(Top 3%)
40K24.85 mi0.85 mi4102+77293+1293+12713(Top 10%)237(Top 2%)237(Top 4%)
25.2M25.20 mi0.35 mi4054+482932932610(Top 9%)272(Top 2%)272(Top 5%)
Finish26.22 mi1.02 mi3927+127283+10283+102251(Top 8%)185(Top 2%)185(Top 3%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 16%
×21stories
+97ft-345ft

Overall

4638

Females

289

F18-39

289

5K→10K

3.1 - 6.2 mi

Top 22%
×5stories
+79ft-138ft

Overall

6133

Females

525

F18-39

525

10K→15K

6.2 - 9.3 mi

Top 16%
×3stories
+67ft-78ft

Overall

4638

Females

289

F18-39

289

15K→20K

9.3 - 12.4 mi

Top 18%
×5stories
+106ft-86ft

Overall

5128

Females

388

F18-39

388

20K→Half

12.4 - 13.1 mi

Top 18%
×2stories
+19ft-37ft

Overall

5099

Females

364

F18-39

364

Half→25K

13.1 - 15.5 mi

Top 16%
×4stories
+66ft-88ft

Overall

4562

Females

333

F18-39

333

25K→30K

15.5 - 18.6 mi

Top 14%
×9stories
+181ft-148ft

Overall

4039

Females

308

F18-39

308

30K→20M

18.6 - 20.0 mi

Top 10%
×5stories
+64ft-50ft

Overall

2808

Females

173

F18-39

173

20M→21M

20.0 - 21.0 mi

Top 8%
×8stories
+106ft-24ft

Overall

2284

Females

143

F18-39

143

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

2045

Females

124

F18-39

124

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

2262

Females

146

F18-39

146

23M→24M

23.0 - 24.0 mi

Top 8%
×6stories
+12ft-82ft

Overall

2221

Females

159

F18-39

159

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2713

Females

237

F18-39

237

40K→25.2M

24.9 - 25.2 mi

Top 9%
×1story
+13ft-16ft

Overall

2610

Females

272

F18-39

272

25.2M→Finish

25.2 - 26.2 mi

Top 8%
×2stories
+22ft-21ft

Overall

2251

Females

185

F18-39

185

Passing Analysis

Category:
Athletes Passed
4113
Passed By
76
Net Change
+4037
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7964
5K → 10K84413+831#7964#7133
10K → 15K8070+807#7133#6326
15K → 20K35413+341#6326#5985
20K → Half523+49#5985#5936
Half → 25K2995+294#5936#5642
25K → 30K41916+403#5642#5239
30K → 20M2682+266#5239#4973
20M → 21M2421+241#4973#4732
21M → 35K1650+165#4732#4567
35K → 23M2192+217#4567#4350
23M → 24M1721+171#4350#4179
24M → 40K836+77#4179#4102
40K → 25.2M502+48#4102#4054
25.2M → Finish13912+127#4054#3927
TOTALS411376+4037
📊

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