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BOSTON MARATHON 2023

Kelly Kramer

Bib: 25087•F

CO

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
10:13/mi
31:44
↑ 97↓ 3451.5%
10K· 6.21 mi
9:27/mi
1:01:07
↑ 79↓ 1380.4%
15K· 9.32 mi
9:09/mi
1:29:32
↑ 67↓ 78
20K· 12.43 mi
9:16/mi
1:58:18
↑ 106↓ 860.1%
Half· 13.11 mi
8:59/mi
2:04:26
↑ 19↓ 370.5%
25K· 15.53 mi
9:21/mi
2:27:05
↑ 66↓ 880.2%
30K· 18.64 mi
9:51/mi
2:57:40
↑ 181↓ 1480.2%
20M
10:00/mi
3:11:16
↑ 64↓ 500.2%
21M
11:39/mi
3:22:55
↑ 106↓ 241.6%
35K· 21.75 mi
9:59/mi
3:30:23
↑ 17↓ 861.7%
23M
10:54/mi
3:44:02
↑ 23↓ 630.6%
24M
9:55/mi
3:53:57
↓ 821.3%
40K· 24.85 mi
9:55/mi
4:02:26
↓ 200.3%
25.2M
10:52/mi
4:06:11
↑ 13↓ 160.2%
Finish· 26.22 mi
9:29/mi
4:15:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:04:26
Pace9:30 /mi
2nd Half
Distance13.11 mi
Time2:11:25
Pace10:01 /mi
📊Positive Split: 5.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:50:2531:4410:1331:44
10:13
-
10K
6.21 mi12:19:481:01:079:5029:23
9:27
-0:46
15K
9.32 mi12:48:131:29:329:3628:25
9:09
-0:18
20K
12.43 mi13:16:591:58:189:3128:46
9:16
+0:07
Half
13.11 mi13:23:072:04:269:306:08
8:59
-0:17
25K
15.53 mi13:45:462:27:059:2822:39
9:21
+0:22
30K
18.64 mi14:16:212:57:409:3230:35
9:51
+0:30
20M
20.00 mi14:29:573:11:169:3413:36
10:00
+0:09
21M
21.00 mi14:41:363:22:559:4011:39
11:39
+1:39
35K
21.75 mi14:49:043:30:239:407:28
9:59
-1:40
23M
23.00 mi15:02:433:44:029:4413:39
10:54
+0:55
24M
24.00 mi15:12:383:53:579:459:55
9:55
-0:59
40K
24.85 mi15:21:074:02:269:458:29
9:55
0:00
25.2M
25.20 mi15:24:524:06:119:463:45
10:52
+0:57
Finish
26.22 mi15:34:324:15:519:469:40
9:29
-1:23

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

8:59 /mi

Average Pace

9:46 /mi

Slowest Pace

11:39 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:05:01

49% of race

Time at Steady Pace

1:41:47

40% of race

Time at Slower Pace

29:03

11% of race

Average Pace: 9:45 /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 mi11:50:2531:4410:1331:44
10:13
#23995
10K
6.21 mi12:19:481:01:079:5029:23
9:27
#23245
15K
9.32 mi12:48:131:29:329:3628:25
9:09
#22612
20K
12.43 mi13:16:591:58:189:3128:46
9:16
#22179
Half
13.11 mi13:23:072:04:269:306:08
8:59
#22082
25K
15.53 mi13:45:462:27:059:2822:39
9:21
#21795
30K
18.64 mi14:16:212:57:409:3230:35
9:51
#21570
20M
20.00 mi14:29:573:11:169:3413:36
10:00
#21504
21M
21.00 mi14:41:363:22:559:4011:39
11:39
#21538
35K
21.75 mi14:49:043:30:239:407:28
9:59
#21518
23M
23.00 mi15:02:433:44:029:4413:39
10:54
#21573
24M
24.00 mi15:12:383:53:579:459:55
9:55
#21530
40K
24.85 mi15:21:074:02:269:458:29
9:55
#21464
25.2M
25.20 mi15:24:524:06:119:463:45
10:52
#21439
Finish
26.22 mi15:34:324:15:519:469:40
9:29
#21363
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi239959890989021139(Top 79%)8310(Top 73%)8310(Top 170%)
10K6.21 mi3.10 mi23245+7509503+3879503+38722399(Top 84%)9034(Top 79%)9034(Top 185%)
15K9.32 mi3.11 mi22612+6339147+3569147+35621139(Top 79%)8310(Top 73%)8310(Top 170%)
20K12.43 mi3.11 mi22179+4338926+2218926+22120832(Top 78%)8133(Top 71%)8133(Top 167%)
Half13.11 mi0.68 mi22082+978875+518875+5120456(Top 77%)7953(Top 70%)7953(Top 163%)
25K15.53 mi2.42 mi21795+2878707+1688707+16820342(Top 76%)7899(Top 69%)7899(Top 162%)
30K18.64 mi3.11 mi21570+2258597+1108597+11020592(Top 77%)8108(Top 71%)8108(Top 166%)
20M20.00 mi1.36 mi21504+668566+318566+3120526(Top 77%)8152(Top 71%)8152(Top 167%)
21M21.00 mi1.00 mi21538-348598-328598-3222169(Top 83%)9096(Top 80%)9096(Top 186%)
35K21.75 mi0.75 mi21518+208595+38595+321246(Top 80%)8634(Top 76%)8634(Top 177%)
23M23.00 mi1.25 mi21573-558643-488643-4822166(Top 83%)9152(Top 80%)9152(Top 187%)
24M24.00 mi1.00 mi21530+438630+138630+1320581(Top 77%)8321(Top 73%)8321(Top 170%)
40K24.85 mi0.85 mi21464+668605+258605+2519786(Top 74%)7948(Top 70%)7948(Top 163%)
25.2M25.20 mi0.35 mi21439+258597+88597+820221(Top 76%)8187(Top 72%)8187(Top 168%)
Finish26.22 mi1.02 mi21363+768563+348563+3420104(Top 76%)8070(Top 71%)8070(Top 165%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 79%
×21story building
+97ft-345ft

Overall

21139

Females

8310

F18-39

8310

5K→10K

3.1 - 6.2 mi

Top 84%
×5story building
+79ft-138ft

Overall

22399

Females

9034

F18-39

9034

10K→15K

6.2 - 9.3 mi

Top 79%
×3story building
+67ft-78ft

Overall

21139

Females

8310

F18-39

8310

15K→20K

9.3 - 12.4 mi

Top 78%
×5story building
+106ft-86ft

Overall

20832

Females

8133

F18-39

8133

20K→Half

12.4 - 13.1 mi

Top 77%
×2story building
+19ft-37ft

Overall

20456

Females

7953

F18-39

7953

Half→25K

13.1 - 15.5 mi

Top 76%
×4story building
+66ft-88ft

Overall

20342

Females

7899

F18-39

7899

25K→30K

15.5 - 18.6 mi

Top 77%
×9story building
+181ft-148ft

Overall

20592

Females

8108

F18-39

8108

30K→20M

18.6 - 20.0 mi

Top 77%
×5story building
+64ft-50ft

Overall

20526

Females

8152

F18-39

8152

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

22169

Females

9096

F18-39

9096

21M→35K

21.0 - 21.8 mi

Top 80%
×7story building
+17ft-86ft

Overall

21246

Females

8634

F18-39

8634

35K→23M

21.8 - 23.0 mi

Top 83%
×5story building
+23ft-63ft

Overall

22166

Females

9152

F18-39

9152

23M→24M

23.0 - 24.0 mi

Top 77%
×6story building
+12ft-82ft

Overall

20581

Females

8321

F18-39

8321

24M→40K

24.0 - 24.9 mi

Top 74%
×1story
+6ft-20ft

Overall

19786

Females

7948

F18-39

7948

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

20221

Females

8187

F18-39

8187

25.2M→Finish

25.2 - 26.2 mi

Top 76%
×2story building
+22ft-21ft

Overall

20104

Females

8070

F18-39

8070

Passing Analysis

Category:
Athletes Passed
3001
Passed By
369
Net Change
+2632
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#23995
5K → 10K77929+750#23995#23245
10K → 15K6396+633#23245#22612
15K → 20K4418+433#22612#22179
20K → Half992+97#22179#22082
Half → 25K2936+287#22082#21795
25K → 30K25732+225#21795#21570
30K → 20M9125+66#21570#21504
20M → 21M5892-34#21504#21538
21M → 35K4020+20#21538#21518
35K → 23M4499-55#21518#21573
23M → 24M5714+43#21573#21530
24M → 40K7812+66#21530#21464
40K → 25.2M349+25#21464#21439
25.2M → Finish9115+76#21439#21363
TOTALS3001369+2632
📊

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