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BOSTON MARATHON 2026

Emily Kroshus-Havril

Bib: 8547•F

WA

0:00
0:00
/ mi
Masters
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Overall
#0 / 29021
Top 13%
Gender (Female)
#0 / 12578
Top 2%
Masters (Masters Women)
#0 / 6862
Top 0.2%
Division (F40-44)
#0 / 1737
Top 0.9%
Race Day Weather
51°/41°F
overcast clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:40/mi
20:40
↑ 97↓ 3451.5%
10K· 6.21 mi
6:28/mi
40:44
↑ 79↓ 1380.4%
15K· 9.32 mi
6:30/mi
1:00:53
↑ 67↓ 78
20K· 12.43 mi
6:34/mi
1:21:14
↑ 106↓ 860.1%
HALF· 13.11 mi
6:29/mi
1:25:39
↑ 19↓ 370.5%
25K· 15.53 mi
6:36/mi
1:41:38
↑ 66↓ 880.2%
30K· 18.64 mi
6:52/mi
2:02:55
↑ 181↓ 1480.2%
20M
6:49/mi
2:12:10
↑ 64↓ 500.2%
21M
7:16/mi
2:19:26
↑ 106↓ 241.6%
35K· 21.75 mi
6:33/mi
2:24:20
↑ 17↓ 861.7%
23M
6:54/mi
2:32:57
↑ 23↓ 630.6%
24M
6:32/mi
2:39:29
↓ 821.3%
40K· 24.85 mi
6:35/mi
2:45:06
↓ 200.3%
25.2M
7:01/mi
2:47:31
↑ 13↓ 160.2%
FINISH· 26.22 mi
6:16/mi
2:53:54
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HALFFaster
Distance13.11 mi
Time1:25:39
Pace6:33 /mi
2nd Half
Distance13.11 mi
Time1:28:15
Pace6:44 /mi
📊Positive Split: 3.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:36:0220:406:4020:40
6:40
-
10K
6.21 mi10:56:0640:446:3420:04
6:28
-0:12
15K
9.32 mi11:16:151:00:536:3220:09
6:30
+0:02
20K
12.43 mi11:36:361:21:146:3320:21
6:34
+0:04
HALF
13.11 mi11:41:011:25:396:334:25
6:29
-0:05
25K
15.53 mi11:57:001:41:386:3315:59
6:36
+0:07
30K
18.64 mi12:18:172:02:556:3621:17
6:52
+0:16
20M
20.00 mi12:27:322:12:106:379:15
6:49
-0:03
21M
21.00 mi12:34:482:19:266:397:16
7:16
+0:27
35K
21.75 mi12:39:422:24:206:394:54
6:33
-0:43
23M
23.00 mi12:48:192:32:576:408:37
6:54
+0:21
24M
24.00 mi12:54:512:39:296:396:32
6:32
-0:22
40K
24.85 mi13:00:282:45:066:395:37
6:35
+0:03
25.2M
25.20 mi13:02:532:47:316:392:25
7:01
+0:26
FINISH
26.22 mi13:09:162:53:546:396:23
6:16
-0:45

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

6:16 /mi

Average Pace

6:38 /mi

Slowest Pace

7:16 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:35:36

89% of race

Time at Steady Pace

18:18

11% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:38 /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 mi10:36:0220:406:4020:40
6:40
#5459
10K
6.21 mi10:56:0640:446:3420:04
6:28
#4649
15K
9.32 mi11:16:151:00:536:3220:09
6:30
#4440
20K
12.43 mi11:36:361:21:146:3320:21
6:34
#4319
HALF
13.11 mi11:41:011:25:396:334:25
6:29
#4313
25K
15.53 mi11:57:001:41:386:3315:59
6:36
#4253
30K
18.64 mi12:18:172:02:556:3621:17
6:52
#4267
20M
20.00 mi12:27:322:12:106:379:15
6:49
#4230
21M
21.00 mi12:34:482:19:266:397:16
7:16
#4246
35K
21.75 mi12:39:422:24:206:394:54
6:33
#4199
23M
23.00 mi12:48:192:32:576:408:37
6:54
#4193
24M
24.00 mi12:54:512:39:296:396:32
6:32
#4097
40K
24.85 mi13:00:282:45:066:395:37
6:35
#4015
25.2M
25.20 mi13:02:532:47:316:392:25
7:01
#3975
FINISH
26.22 mi13:09:162:53:546:396:23
6:16
#3870
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi54594034034142(Top 14%)213(Top 2%)213(Top 12%)
10K6.21 mi3.10 mi4649+810278+125278+1253943(Top 14%)195(Top 2%)195(Top 11%)
15K9.32 mi3.11 mi4440+209240+38240+384142(Top 14%)213(Top 2%)213(Top 12%)
20K12.43 mi3.11 mi4319+121231+9231+94124(Top 14%)223(Top 2%)223(Top 13%)
HALF13.11 mi0.68 mi4313+6232-1232-14329(Top 15%)236(Top 2%)236(Top 14%)
25K15.53 mi2.42 mi4253+602322324079(Top 14%)247(Top 2%)247(Top 14%)
30K18.64 mi3.11 mi4267-14242-10242-104782(Top 16%)421(Top 3%)421(Top 24%)
20M20.00 mi1.36 mi4230+37245-3245-34251(Top 15%)370(Top 3%)370(Top 21%)
21M21.00 mi1.00 mi4246-16255-10255-105085(Top 18%)607(Top 5%)607(Top 35%)
35K21.75 mi0.75 mi4199+472552553945(Top 14%)337(Top 3%)337(Top 19%)
23M23.00 mi1.25 mi4193+6261-6261-64681(Top 16%)520(Top 4%)520(Top 30%)
24M24.00 mi1.00 mi4097+96253+8253+83380(Top 12%)309(Top 2%)309(Top 18%)
40K24.85 mi0.85 mi4015+82252+1252+12936(Top 10%)256(Top 2%)256(Top 15%)
25.2M25.20 mi0.35 mi3975+40249+3249+32758(Top 10%)249(Top 2%)249(Top 14%)
FINISH26.22 mi1.02 mi3870+105247+2247+22868(Top 10%)285(Top 2%)285(Top 16%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21story building
+97ft-345ft

Overall

4142

Females

213

F40-44

213

5K→10K

3.1 - 6.2 mi

Top 14%
×5story building
+79ft-138ft

Overall

3943

Females

195

F40-44

195

10K→15K

6.2 - 9.3 mi

Top 14%
×3story building
+67ft-78ft

Overall

4142

Females

213

F40-44

213

15K→20K

9.3 - 12.4 mi

Top 14%
×5story building
+106ft-86ft

Overall

4124

Females

223

F40-44

223

20K→HALF

12.4 - 13.1 mi

Top 15%
×2story building
+19ft-37ft

Overall

4329

Females

236

F40-44

236

HALF→25K

13.1 - 15.5 mi

Top 14%
×4story building
+66ft-88ft

Overall

4079

Females

247

F40-44

247

25K→30K

15.5 - 18.6 mi

Top 16%
×9story building
+181ft-148ft

Overall

4782

Females

421

F40-44

421

30K→20M

18.6 - 20.0 mi

Top 15%
×5story building
+64ft-50ft

Overall

4251

Females

370

F40-44

370

20M→21M

20.0 - 21.0 mi

Top 18%
×8story building
+106ft-24ft

Overall

5085

Females

607

F40-44

607

21M→35K

21.0 - 21.8 mi

Top 14%
×7story building
+17ft-86ft

Overall

3945

Females

337

F40-44

337

35K→23M

21.8 - 23.0 mi

Top 16%
×5story building
+23ft-63ft

Overall

4681

Females

520

F40-44

520

23M→24M

23.0 - 24.0 mi

Top 12%
×6story building
+12ft-82ft

Overall

3380

Females

309

F40-44

309

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2936

Females

256

F40-44

256

40K→25.2M

24.9 - 25.2 mi

Top 10%
×1story
+13ft-16ft

Overall

2758

Females

249

F40-44

249

25.2M→FINISH

25.2 - 26.2 mi

Top 10%
×2story building
+22ft-21ft

Overall

2868

Females

285

F40-44

285

Passing Analysis

Category:
Athletes Passed
2060
Passed By
471
Net Change
+1589
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#5459
5K → 10K82111+810#5459#4649
10K → 15K25041+209#4649#4440
15K → 20K15332+121#4440#4319
20K → HALF2014+6#4319#4313
HALF → 25K10343+60#4313#4253
25K → 30K92106-14#4253#4267
30K → 20M8346+37#4267#4230
20M → 21M4662-16#4230#4246
21M → 35K6013+47#4246#4199
35K → 23M6761+6#4199#4193
23M → 24M10711+96#4193#4097
24M → 40K9311+82#4097#4015
40K → 25.2M433+40#4015#3975
25.2M → FINISH12217+105#3975#3870
TOTALS2060471+1589
📊

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