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BOSTON MARATHON 2023

Kerry Gless

Bib: 26492•F

MA

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
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
10:07/mi
31:27
↑ 97↓ 3451.5%
10K· 6.21 mi
10:45/mi
1:04:50
↑ 79↓ 1380.4%
15K· 9.32 mi
10:04/mi
1:36:08
↑ 67↓ 78
20K· 12.43 mi
10:23/mi
2:08:23
↑ 106↓ 860.1%
Half· 13.11 mi
9:24/mi
2:14:48
↑ 19↓ 370.5%
25K· 15.53 mi
10:29/mi
2:40:14
↑ 66↓ 880.2%
30K· 18.64 mi
11:52/mi
3:17:06
↑ 181↓ 1480.2%
20M
10:28/mi
3:31:20
↑ 64↓ 500.2%
21M
11:44/mi
3:43:04
↑ 106↓ 241.6%
35K· 21.75 mi
11:00/mi
3:51:18
↑ 17↓ 861.7%
23M
11:28/mi
4:05:40
↑ 23↓ 630.6%
24M
10:15/mi
4:15:55
↓ 821.3%
40K· 24.85 mi
10:35/mi
4:24:58
↓ 200.3%
25.2M
11:59/mi
4:29:06
↑ 13↓ 160.2%
Finish· 26.22 mi
9:55/mi
4:39:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:14:48
Pace10:17 /mi
2nd Half
Distance13.11 mi
Time2:24:24
Pace11:01 /mi
📊Positive Split: 7.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:3831:2710:0731:27
10:07
-
10K
6.21 mi12:27:011:04:5010:2633:23
10:45
+0:38
15K
9.32 mi12:58:191:36:0810:1931:18
10:04
-0:41
20K
12.43 mi13:30:342:08:2310:2032:15
10:23
+0:19
Half
13.11 mi13:36:592:14:4810:176:25
9:24
-0:59
25K
15.53 mi14:02:252:40:1410:1925:26
10:29
+1:05
30K
18.64 mi14:39:173:17:0610:3436:52
11:52
+1:23
20M
20.00 mi14:53:313:31:2010:3414:14
10:28
-1:24
21M
21.00 mi15:05:153:43:0410:3711:44
11:44
+1:16
35K
21.75 mi15:13:293:51:1810:388:14
11:00
-0:44
23M
23.00 mi15:27:514:05:4010:4114:22
11:28
+0:28
24M
24.00 mi15:38:064:15:5510:4010:15
10:15
-1:13
40K
24.85 mi15:47:094:24:5810:409:03
10:35
+0:20
25.2M
25.20 mi15:51:174:29:0610:414:08
11:59
+1:24
Finish
26.22 mi16:01:234:39:1210:3910:06
9:55
-2:04

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

9:24 /mi

Average Pace

10:39 /mi

Slowest Pace

11:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

47:49

17% of race

Time at Steady Pace

2:36:03

56% of race

Time at Slower Pace

1:15:20

27% of race

Average Pace: 10:39 /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 mi11:53:3831:2710:0731:27
10:07
#23742
10K
6.21 mi12:27:011:04:5010:2633:23
10:45
#24567
15K
9.32 mi12:58:191:36:0810:1931:18
10:04
#24255
20K
12.43 mi13:30:342:08:2310:2032:15
10:23
#24081
Half
13.11 mi13:36:592:14:4810:176:25
9:24
#23966
25K
15.53 mi14:02:252:40:1410:1925:26
10:29
#23806
30K
18.64 mi14:39:173:17:0610:3436:52
11:52
#23943
20M
20.00 mi14:53:313:31:2010:3414:14
10:28
#23784
21M
21.00 mi15:05:153:43:0410:3711:44
11:44
#23695
35K
21.75 mi15:13:293:51:1810:388:14
11:00
#23699
23M
23.00 mi15:27:514:05:4010:4114:22
11:28
#23692
24M
24.00 mi15:38:064:15:5510:4010:15
10:15
#23601
40K
24.85 mi15:47:094:24:5810:409:03
10:35
#23546
25.2M
25.20 mi15:51:174:29:0610:414:08
11:59
#23534
Finish
26.22 mi16:01:234:39:1210:3910:06
9:55
#23470
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi237429770977023655(Top 89%)9697(Top 85%)9697(Top 199%)
10K6.21 mi3.10 mi24567-82510197-42710197-42725081(Top 94%)10487(Top 92%)10487(Top 215%)
15K9.32 mi3.11 mi24255+31210032+16510032+16523655(Top 89%)9697(Top 85%)9697(Top 199%)
20K12.43 mi3.11 mi24081+1749939+939939+9323620(Top 89%)9696(Top 85%)9696(Top 199%)
Half13.11 mi0.68 mi23966+1159871+689871+6821863(Top 82%)8724(Top 76%)8724(Top 179%)
25K15.53 mi2.42 mi23806+1609792+799792+7923191(Top 87%)9488(Top 83%)9488(Top 194%)
30K18.64 mi3.11 mi23943-1379886-949886-9424343(Top 91%)10185(Top 89%)10185(Top 209%)
20M20.00 mi1.36 mi23784+1599805+819805+8121691(Top 81%)8805(Top 77%)8805(Top 180%)
21M21.00 mi1.00 mi23695+899770+359770+3522302(Top 84%)9167(Top 80%)9167(Top 188%)
35K21.75 mi0.75 mi23699-49774-49774-423326(Top 88%)9777(Top 86%)9777(Top 200%)
23M23.00 mi1.25 mi23692+79779-59779-523211(Top 87%)9700(Top 85%)9700(Top 199%)
24M24.00 mi1.00 mi23601+919739+409739+4021461(Top 81%)8829(Top 77%)8829(Top 181%)
40K24.85 mi0.85 mi23546+559716+239716+2321441(Top 81%)8870(Top 78%)8870(Top 182%)
25.2M25.20 mi0.35 mi23534+129719-39719-322506(Top 85%)9406(Top 82%)9406(Top 193%)
Finish26.22 mi1.02 mi23470+649692+279692+2721536(Top 81%)8871(Top 78%)8871(Top 182%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

23655

Females

9697

F18-39

9697

5K→10K

3.1 - 6.2 mi

Top 94%
×5story building
+79ft-138ft

Overall

25081

Females

10487

F18-39

10487

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

23655

Females

9697

F18-39

9697

15K→20K

9.3 - 12.4 mi

Top 89%
×5story building
+106ft-86ft

Overall

23620

Females

9696

F18-39

9696

20K→Half

12.4 - 13.1 mi

Top 82%
×2story building
+19ft-37ft

Overall

21863

Females

8724

F18-39

8724

Half→25K

13.1 - 15.5 mi

Top 87%
×4story building
+66ft-88ft

Overall

23191

Females

9488

F18-39

9488

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

24343

Females

10185

F18-39

10185

30K→20M

18.6 - 20.0 mi

Top 81%
×5story building
+64ft-50ft

Overall

21691

Females

8805

F18-39

8805

20M→21M

20.0 - 21.0 mi

Top 84%
×8story building
+106ft-24ft

Overall

22302

Females

9167

F18-39

9167

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

23326

Females

9777

F18-39

9777

35K→23M

21.8 - 23.0 mi

Top 87%
×5story building
+23ft-63ft

Overall

23211

Females

9700

F18-39

9700

23M→24M

23.0 - 24.0 mi

Top 81%
×6story building
+12ft-82ft

Overall

21461

Females

8829

F18-39

8829

24M→40K

24.0 - 24.9 mi

Top 81%
×1story
+6ft-20ft

Overall

21441

Females

8870

F18-39

8870

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22506

Females

9406

F18-39

9406

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

21536

Females

8871

F18-39

8871

Passing Analysis

Category:
Athletes Passed
1485
Passed By
1213
Net Change
+272
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23742
5K → 10K18843-825#23742#24567
10K → 15K33927+312#24567#24255
15K → 20K20430+174#24255#24081
20K → Half1161+115#24081#23966
Half → 25K17313+160#23966#23806
25K → 30K66203-137#23806#23943
30K → 20M1590+159#23943#23784
20M → 21M978+89#23784#23695
21M → 35K2125-4#23695#23699
35K → 23M4942+7#23699#23692
23M → 24M921+91#23692#23601
24M → 40K583+55#23601#23546
40K → 25.2M197+12#23546#23534
25.2M → Finish7410+64#23534#23470
TOTALS14851213+272
📊

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