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BOSTON MARATHON 2023

Sherri Schummer

Bib: 18842•F

MN

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 39%
Masters (Masters Women)
#0 / 6539
Top 26%
Division (F40-44)
#0 / 1878
Top 45%
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
8:23/mi
26:03
↑ 97↓ 3451.5%
10K· 6.21 mi
8:13/mi
51:34
↑ 79↓ 1380.4%
15K· 9.32 mi
8:14/mi
1:17:09
↑ 67↓ 78
20K· 12.43 mi
8:14/mi
1:42:45
↑ 106↓ 860.1%
Half· 13.11 mi
8:11/mi
1:48:20
↑ 19↓ 370.5%
25K· 15.53 mi
8:14/mi
2:08:17
↑ 66↓ 880.2%
30K· 18.64 mi
8:23/mi
2:34:20
↑ 181↓ 1480.2%
20M
8:22/mi
2:45:42
↑ 64↓ 500.2%
21M
8:43/mi
2:54:25
↑ 106↓ 241.6%
35K· 21.75 mi
8:03/mi
3:00:26
↑ 17↓ 861.7%
23M
8:16/mi
3:10:47
↑ 23↓ 630.6%
24M
8:04/mi
3:18:51
↓ 821.3%
40K· 24.85 mi
8:07/mi
3:25:47
↓ 200.3%
25.2M
8:51/mi
3:28:50
↑ 13↓ 160.2%
Finish· 26.22 mi
8:00/mi
3:36:59
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:48:20
Pace8:16 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:48:39
Pace8:17 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:1226:038:2326:03
8:23
-
10K
6.21 mi11:42:4351:348:1825:31
8:13
-0:10
15K
9.32 mi12:08:181:17:098:1725:35
8:14
+0:01
20K
12.43 mi12:33:541:42:458:1625:36
8:14
0:00
Half
13.11 mi12:39:291:48:208:165:35
8:11
-0:03
25K
15.53 mi12:59:262:08:178:1519:57
8:14
+0:03
30K
18.64 mi13:25:292:34:208:1726:03
8:23
+0:09
20M
20.00 mi13:36:512:45:428:1711:22
8:22
-0:01
21M
21.00 mi13:45:342:54:258:188:43
8:43
+0:21
35K
21.75 mi13:51:353:00:268:186:01
8:03
-0:40
23M
23.00 mi14:01:563:10:478:1810:21
8:16
+0:13
24M
24.00 mi14:10:003:18:518:178:04
8:04
-0:12
40K
24.85 mi14:16:563:25:478:176:56
8:07
+0:03
25.2M
25.20 mi14:19:593:28:508:173:03
8:51
+0:44
Finish
26.22 mi14:28:083:36:598:178:09
8:00
-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

8:00 /mi

Average Pace

8:17 /mi

Slowest Pace

8:51 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:33:56

99% of race

Time at Steady Pace

3:03

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:17 /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 mi11:17:1226:038:2326:03
8:23
#16766
10K
6.21 mi11:42:4351:348:1825:31
8:13
#16493
15K
9.32 mi12:08:181:17:098:1725:35
8:14
#16346
20K
12.43 mi12:33:541:42:458:1625:36
8:14
#16040
Half
13.11 mi12:39:291:48:208:165:35
8:11
#16016
25K
15.53 mi12:59:262:08:178:1519:57
8:14
#15740
30K
18.64 mi13:25:292:34:208:1726:03
8:23
#15328
20M
20.00 mi13:36:512:45:428:1711:22
8:22
#15129
21M
21.00 mi13:45:342:54:258:188:43
8:43
#14921
35K
21.75 mi13:51:353:00:268:186:01
8:03
#14825
23M
23.00 mi14:01:563:10:478:1810:21
8:16
#14627
24M
24.00 mi14:10:003:18:518:178:04
8:04
#14479
40K
24.85 mi14:16:563:25:478:176:56
8:07
#14341
25.2M
25.20 mi14:19:593:28:508:173:03
8:51
#14286
Finish
26.22 mi14:28:083:36:598:178:09
8:00
#14189
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi167665772577216108(Top 61%)5354(Top 47%)5354(Top 285%)
10K6.21 mi3.10 mi16493+2735573+1995573+19916353(Top 61%)5481(Top 48%)5481(Top 292%)
15K9.32 mi3.11 mi16346+1475495+785495+7816108(Top 61%)5354(Top 47%)5354(Top 285%)
20K12.43 mi3.11 mi16040+3065329+1665329+16615209(Top 57%)4843(Top 42%)4843(Top 258%)
Half13.11 mi0.68 mi16016+245323+65323+615684(Top 59%)5090(Top 45%)5090(Top 271%)
25K15.53 mi2.42 mi15740+2765171+1525171+15214453(Top 54%)4480(Top 39%)4480(Top 239%)
30K18.64 mi3.11 mi15328+4124965+2064965+20613605(Top 51%)4095(Top 36%)4095(Top 218%)
20M20.00 mi1.36 mi15129+1994855+1104855+11012822(Top 48%)3763(Top 33%)3763(Top 200%)
21M21.00 mi1.00 mi14921+2084741+1144741+11411806(Top 44%)3312(Top 29%)3312(Top 176%)
35K21.75 mi0.75 mi14825+964702+394702+3912490(Top 47%)3709(Top 32%)3709(Top 197%)
23M23.00 mi1.25 mi14627+1984603+994603+9911686(Top 44%)3360(Top 29%)3360(Top 179%)
24M24.00 mi1.00 mi14479+1484540+634540+6311746(Top 44%)3465(Top 30%)3465(Top 185%)
40K24.85 mi0.85 mi14341+1384477+634477+6310819(Top 41%)3067(Top 27%)3067(Top 163%)
25.2M25.20 mi0.35 mi14286+554458+194458+1911688(Top 44%)3584(Top 31%)3584(Top 191%)
Finish26.22 mi1.02 mi14189+974416+424416+4212160(Top 46%)3789(Top 33%)3789(Top 202%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

16108

Females

5354

F40-44

5354

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

16353

Females

5481

F40-44

5481

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

16108

Females

5354

F40-44

5354

15K→20K

9.3 - 12.4 mi

Top 57%
×5story building
+106ft-86ft

Overall

15209

Females

4843

F40-44

4843

20K→Half

12.4 - 13.1 mi

Top 59%
×2story building
+19ft-37ft

Overall

15684

Females

5090

F40-44

5090

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

14453

Females

4480

F40-44

4480

25K→30K

15.5 - 18.6 mi

Top 51%
×9story building
+181ft-148ft

Overall

13605

Females

4095

F40-44

4095

30K→20M

18.6 - 20.0 mi

Top 48%
×5story building
+64ft-50ft

Overall

12822

Females

3763

F40-44

3763

20M→21M

20.0 - 21.0 mi

Top 44%
×8story building
+106ft-24ft

Overall

11806

Females

3312

F40-44

3312

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

12490

Females

3709

F40-44

3709

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

11686

Females

3360

F40-44

3360

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

11746

Females

3465

F40-44

3465

24M→40K

24.0 - 24.9 mi

Top 41%
×1story
+6ft-20ft

Overall

10819

Females

3067

F40-44

3067

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

11688

Females

3584

F40-44

3584

25.2M→Finish

25.2 - 26.2 mi

Top 46%
×2story building
+22ft-21ft

Overall

12160

Females

3789

F40-44

3789

Passing Analysis

Category:
Athletes Passed
3076
Passed By
499
Net Change
+2577
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16766
5K → 10K458185+273#16766#16493
10K → 15K269122+147#16493#16346
15K → 20K35044+306#16346#16040
20K → Half4218+24#16040#16016
Half → 25K30226+276#16016#15740
25K → 30K43624+412#15740#15328
30K → 20M21112+199#15328#15129
20M → 21M2113+208#15129#14921
21M → 35K1059+96#14921#14825
35K → 23M20810+198#14825#14627
23M → 24M16012+148#14627#14479
24M → 40K1424+138#14479#14341
40K → 25.2M616+55#14341#14286
25.2M → Finish12124+97#14286#14189
TOTALS3076499+2577
📊

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