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BOSTON MARATHON 2023

Jamie Kleinman

CA

Bib: 18046 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 37%
Masters (Masters Women)
#0 / 6539
Top 24%
Division (F40-44)
#0 / 1878
Top 43%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:20/mi
25:53
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:21/mi
51:49
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:21/mi
1:17:46
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:21/mi
1:43:41
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:12/mi
1:49:17
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:13/mi
2:09:13
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:25/mi
2:35:23
↑ 181↓ 1480.2%
138 ft elev
20M
8:15/mi
2:46:36
↑ 64↓ 500.2%
148 ft elev
21M
8:20/mi
2:54:56
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
7:45/mi
3:00:44
↑ 17↓ 861.7%
156 ft elev
23M
8:03/mi
3:10:49
↑ 23↓ 630.6%
116 ft elev
24M
7:56/mi
3:18:45
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:54/mi
3:25:30
↓ 200.3%
20 ft elev
25.2M
8:19/mi
3:28:22
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:21/mi
3:35:51
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:49:178:20 /mi+2.5%
2nd Half
1:46:348:08 /mi✓ faster
Negative split — 2.5% faster in the second half
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Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
25:538:203.11 mi25:53
8:20
-
10K
51:498:203.10 mi25:56
8:21
+0:01
15K
1:17:468:213.11 mi25:57
8:21
0:00
20K
1:43:418:213.11 mi25:55
8:21
0:00
Half(13.11 mi)
1:49:178:200.68 mi5:36
8:12
-0:09
25K
2:09:138:192.42 mi19:56
8:13
+0:01
30K
2:35:238:203.11 mi26:10
8:25
+0:12
20M
2:46:368:201.36 mi11:13
8:15
-0:10
21M
2:54:568:201.00 mi8:20
8:20
+0:05
35K
3:00:448:190.75 mi5:48
7:45
-0:35
23M
3:10:498:181.25 mi10:05
8:03
+0:18
24M
3:18:458:171.00 mi7:56
7:56
-0:07
40K
3:25:308:160.85 mi6:45
7:54
-0:02
25.2M
3:28:228:160.35 mi2:52
8:19
+0:25
Finish(26.22 mi)
3:35:518:141.02 mi7:29
7:21
-0:58
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

7:21 /mi

Average Pace

8:14 /mi

Slowest Pace

8:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

38:03

18% of race

Time at Steady Pace

2:57:48

82% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:14 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi16360550355031686758275827
10K3.10 mi16771-4115757-2545757-2541722360126012
15K3.11 mi16807-365797-405797-401686758275827
20K3.11 mi16583+2245671+1265671+1261588552745274
Half(13.11 mi)0.68 mi16543+405641+305641+301586751995199
25K2.42 mi16160+3835430+2115430+2111440044524452
30K3.11 mi15728+4325209+2215209+2211383342324232
20M1.36 mi15448+2805059+1505059+1501209033383338
21M1.00 mi15084+3644851+2084851+208947321472147
35K0.75 mi14922+1624763+884763+881038825772577
23M1.25 mi14638+2844610+1534610+1531017726042604
24M1.00 mi14454+1844525+854525+851082630053005
40K0.85 mi14257+1974428+974428+97937323552355
25.2M0.35 mi14160+974378+504378+50852020712071
Finish(26.22 mi)1.02 mi13866+2944212+1664212+166745216201620

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 63%
×21story building
+97ft-345ft

Overall

16867

Females

5827

F40-44

5827

5K→10K

3.1 - 6.2 mi

Top 65%
×5story building
+79ft-138ft

Overall

17223

Females

6012

F40-44

6012

10K→15K

6.2 - 9.3 mi

Top 63%
×3story building
+67ft-78ft

Overall

16867

Females

5827

F40-44

5827

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

15885

Females

5274

F40-44

5274

20K→Half

12.4 - 13.1 mi

Top 60%
×2story building
+19ft-37ft

Overall

15867

Females

5199

F40-44

5199

Half→25K

13.1 - 15.5 mi

Top 54%
×4story building
+66ft-88ft

Overall

14400

Females

4452

F40-44

4452

25K→30K

15.5 - 18.6 mi

Top 52%
×9story building
+181ft-148ft

Overall

13833

Females

4232

F40-44

4232

30K→20M

18.6 - 20.0 mi

Top 45%
×5story building
+64ft-50ft

Overall

12090

Females

3338

F40-44

3338

20M→21M

20.0 - 21.0 mi

Top 36%
×8story building
+106ft-24ft

Overall

9473

Females

2147

F40-44

2147

21M→35K

21.0 - 21.8 mi

Top 39%
×7story building
+17ft-86ft

Overall

10388

Females

2577

F40-44

2577

35K→23M

21.8 - 23.0 mi

Top 38%
×5story building
+23ft-63ft

Overall

10177

Females

2604

F40-44

2604

23M→24M

23.0 - 24.0 mi

Top 41%
×6story building
+12ft-82ft

Overall

10826

Females

3005

F40-44

3005

24M→40K

24.0 - 24.9 mi

Top 35%
×1story
+6ft-20ft

Overall

9373

Females

2355

F40-44

2355

40K→25.2M

24.9 - 25.2 mi

Top 32%
×1story
+13ft-16ft

Overall

8520

Females

2071

F40-44

2071

25.2M→Finish

25.2 - 26.2 mi

Top 28%
×2story building
+22ft-21ft

Overall

7452

Females

1620

F40-44

1620

Passing Analysis

Category:
Passed
3410
Passed By
916
Net Change
+2494
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16360
5K → 10K148559-411#16360#16771
10K → 15K180216-36#16771#16807
15K → 20K29874+224#16807#16583
20K → Half5919+40#16583#16543
Half → 25K39613+383#16543#16160
25K → 30K44816+432#16160#15728
30K → 20M2833+280#15728#15448
20M → 21M3651+364#15448#15084
21M → 35K1631+162#15084#14922
35K → 23M2895+284#14922#14638
23M → 24M1928+184#14638#14454
24M → 40K1981+197#14454#14257
40K → 25.2M970+97#14257#14160
25.2M → Finish2940+294#14160#13866
TOTALS3410916+2494

Passing Charts

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