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BOSTON MARATHON 2023

Kristin Scherman

Bib: 17925•F

OH

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 43%
Masters (Masters Women)
#0 / 6539
Top 31%
Division (F40-44)
#0 / 1878
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ 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
8:20/mi
25:54
↑ 97↓ 3451.5%
10K· 6.21 mi
8:21/mi
51:50
↑ 79↓ 1380.4%
15K· 9.32 mi
8:21/mi
1:17:48
↑ 67↓ 78
20K· 12.43 mi
8:21/mi
1:43:43
↑ 106↓ 860.1%
Half· 13.11 mi
8:21/mi
1:49:25
↑ 19↓ 370.5%
25K· 15.53 mi
8:24/mi
2:09:47
↑ 66↓ 880.2%
30K· 18.64 mi
8:32/mi
2:36:19
↑ 181↓ 1480.2%
20M
8:33/mi
2:47:56
↑ 64↓ 500.2%
21M
8:53/mi
2:56:49
↑ 106↓ 241.6%
35K· 21.75 mi
8:20/mi
3:03:03
↑ 17↓ 861.7%
23M
8:34/mi
3:13:46
↑ 23↓ 630.6%
24M
8:21/mi
3:22:07
↓ 821.3%
40K· 24.85 mi
8:24/mi
3:29:18
↓ 200.3%
25.2M
8:48/mi
3:32:20
↑ 13↓ 160.2%
Finish· 26.22 mi
7:57/mi
3:40:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:25
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time1:51:01
Pace8:28 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:4525:548:2025:54
8:20
-
10K
6.21 mi11:44:4151:508:2125:56
8:21
+0:01
15K
9.32 mi12:10:391:17:488:2125:58
8:21
0:00
20K
12.43 mi12:36:341:43:438:2125:55
8:21
0:00
Half
13.11 mi12:42:161:49:258:215:42
8:21
0:00
25K
15.53 mi13:02:382:09:478:2120:22
8:24
+0:03
30K
18.64 mi13:29:102:36:198:2326:32
8:32
+0:08
20M
20.00 mi13:40:472:47:568:2411:37
8:33
+0:01
21M
21.00 mi13:49:402:56:498:258:53
8:53
+0:20
35K
21.75 mi13:55:543:03:038:256:14
8:20
-0:33
23M
23.00 mi14:06:373:13:468:2510:43
8:34
+0:14
24M
24.00 mi14:14:583:22:078:258:21
8:21
-0:13
40K
24.85 mi14:22:093:29:188:257:11
8:24
+0:03
25.2M
25.20 mi14:25:113:32:208:263:02
8:48
+0:24
Finish
26.22 mi14:33:173:40:268:258:06
7:57
-0:51

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

7:57 /mi

Average Pace

8:25 /mi

Slowest Pace

8:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:28:31

95% of race

Time at Steady Pace

11:55

5% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:24 /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 mi11:18:4525:548:2025:54
8:20
#16402
10K
6.21 mi11:44:4151:508:2125:56
8:21
#16795
15K
9.32 mi12:10:391:17:488:2125:58
8:21
#16834
20K
12.43 mi12:36:341:43:438:2125:55
8:21
#16599
Half
13.11 mi12:42:161:49:258:215:42
8:21
#16612
25K
15.53 mi13:02:382:09:478:2120:22
8:24
#16437
30K
18.64 mi13:29:102:36:198:2326:32
8:32
#16057
20M
20.00 mi13:40:472:47:568:2411:37
8:33
#15882
21M
21.00 mi13:49:402:56:498:258:53
8:53
#15663
35K
21.75 mi13:55:543:03:038:256:14
8:20
#15605
23M
23.00 mi14:06:373:13:468:2510:43
8:34
#15460
24M
24.00 mi14:14:583:22:078:258:21
8:21
#15376
40K
24.85 mi14:22:093:29:188:257:11
8:24
#15258
25.2M
25.20 mi14:25:113:32:208:263:02
8:48
#15171
Finish
26.22 mi14:33:173:40:268:258:06
7:57
#15049
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi164025537553716907(Top 64%)5849(Top 51%)5849(Top 311%)
10K6.21 mi3.10 mi16795-3935774-2375774-23717228(Top 65%)6017(Top 53%)6017(Top 320%)
15K9.32 mi3.11 mi16834-395815-415815-4116907(Top 64%)5849(Top 51%)5849(Top 311%)
20K12.43 mi3.11 mi16599+2355676+1395676+13915899(Top 60%)5288(Top 46%)5288(Top 282%)
Half13.11 mi0.68 mi16612-135691-155691-1516845(Top 63%)5791(Top 51%)5791(Top 308%)
25K15.53 mi2.42 mi16437+1755600+915600+9115585(Top 59%)5194(Top 45%)5194(Top 277%)
30K18.64 mi3.11 mi16057+3805410+1905410+19014561(Top 55%)4665(Top 41%)4665(Top 248%)
20M20.00 mi1.36 mi15882+1755330+805330+8013952(Top 52%)4386(Top 38%)4386(Top 234%)
21M21.00 mi1.00 mi15663+2195221+1095221+10912794(Top 48%)3845(Top 34%)3845(Top 205%)
35K21.75 mi0.75 mi15605+585200+215200+2114327(Top 54%)4744(Top 42%)4744(Top 253%)
23M23.00 mi1.25 mi15460+1455137+635137+6313610(Top 51%)4405(Top 39%)4405(Top 235%)
24M24.00 mi1.00 mi15376+845094+435094+4313566(Top 51%)4435(Top 39%)4435(Top 236%)
40K24.85 mi0.85 mi15258+1185027+675027+6712757(Top 48%)4095(Top 36%)4095(Top 218%)
25.2M25.20 mi0.35 mi15171+874990+374990+3711435(Top 43%)3447(Top 30%)3447(Top 184%)
Finish26.22 mi1.02 mi15049+1224937+534937+5311786(Top 44%)3606(Top 32%)3606(Top 192%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

16907

Females

5849

F40-44

5849

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

17228

Females

6017

F40-44

6017

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

16907

Females

5849

F40-44

5849

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

15899

Females

5288

F40-44

5288

20K→Half

12.4 - 13.1 mi

Top 63%
×2story building
+19ft-37ft

Overall

16845

Females

5791

F40-44

5791

Half→25K

13.1 - 15.5 mi

Top 59%
×4story building
+66ft-88ft

Overall

15585

Females

5194

F40-44

5194

25K→30K

15.5 - 18.6 mi

Top 55%
×9story building
+181ft-148ft

Overall

14561

Females

4665

F40-44

4665

30K→20M

18.6 - 20.0 mi

Top 52%
×5story building
+64ft-50ft

Overall

13952

Females

4386

F40-44

4386

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

12794

Females

3845

F40-44

3845

21M→35K

21.0 - 21.8 mi

Top 54%
×7story building
+17ft-86ft

Overall

14327

Females

4744

F40-44

4744

35K→23M

21.8 - 23.0 mi

Top 51%
×5story building
+23ft-63ft

Overall

13610

Females

4405

F40-44

4405

23M→24M

23.0 - 24.0 mi

Top 51%
×6story building
+12ft-82ft

Overall

13566

Females

4435

F40-44

4435

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12757

Females

4095

F40-44

4095

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11435

Females

3447

F40-44

3447

25.2M→Finish

25.2 - 26.2 mi

Top 44%
×2story building
+22ft-21ft

Overall

11786

Females

3606

F40-44

3606

Passing Analysis

Category:
Athletes Passed
2415
Passed By
1062
Net Change
+1353
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16402
5K → 10K154547-393#16402#16795
10K → 15K179218-39#16795#16834
15K → 20K30469+235#16834#16599
20K → Half2740-13#16599#16612
Half → 25K22550+175#16612#16437
25K → 30K41131+380#16437#16057
30K → 20M18914+175#16057#15882
20M → 21M2278+219#15882#15663
21M → 35K7214+58#15663#15605
35K → 23M16419+145#15605#15460
23M → 24M10824+84#15460#15376
24M → 40K13315+118#15376#15258
40K → 25.2M914+87#15258#15171
25.2M → Finish1319+122#15171#15049
TOTALS24151062+1353
📊

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