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BOSTON MARATHON 2023

Jennifer Martin

Bib: 27130•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
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
11:36/mi
36:03
↑ 97↓ 3451.5%
10K· 6.21 mi
11:45/mi
1:12:34
↑ 79↓ 1380.4%
15K· 9.32 mi
11:49/mi
1:49:17
↑ 67↓ 78
20K· 12.43 mi
12:09/mi
2:27:03
↑ 106↓ 860.1%
Half· 13.11 mi
11:02/mi
2:34:35
↑ 19↓ 370.5%
25K· 15.53 mi
11:16/mi
3:01:55
↑ 66↓ 880.2%
30K· 18.64 mi
11:46/mi
3:38:28
↑ 181↓ 1480.2%
20M
12:04/mi
3:54:52
↑ 64↓ 500.2%
21M
11:35/mi
4:06:27
↑ 106↓ 241.6%
35K· 21.75 mi
9:47/mi
4:13:46
↑ 17↓ 861.7%
23M
10:33/mi
4:26:59
↑ 23↓ 630.6%
24M
10:03/mi
4:37:02
↓ 821.3%
40K· 24.85 mi
10:07/mi
4:45:41
↓ 200.3%
25.2M
11:39/mi
4:49:42
↑ 13↓ 160.2%
Finish· 26.22 mi
9:37/mi
4:59:30
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time2:34:35
Pace11:47 /mi
2nd Half✓ Faster
Distance13.11 mi
Time2:24:55
Pace11:03 /mi
📊Negative Split: 6.3% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:55:0836:0311:3636:03
11:36
-
10K
6.21 mi12:31:391:12:3411:4136:31
11:45
+0:09
15K
9.32 mi13:08:221:49:1711:4336:43
11:49
+0:04
20K
12.43 mi13:46:082:27:0311:5037:46
12:09
+0:20
Half
13.11 mi13:53:402:34:3511:477:32
11:02
-1:07
25K
15.53 mi14:21:003:01:5511:4327:20
11:16
+0:14
30K
18.64 mi14:57:333:38:2811:4336:33
11:46
+0:30
20M
20.00 mi15:13:573:54:5211:4516:24
12:04
+0:18
21M
21.00 mi15:25:324:06:2711:4411:35
11:35
-0:29
35K
21.75 mi15:32:514:13:4611:407:19
9:47
-1:48
23M
23.00 mi15:46:044:26:5911:3613:13
10:33
+0:46
24M
24.00 mi15:56:074:37:0211:3310:03
10:03
-0:30
40K
24.85 mi16:04:464:45:4111:308:39
10:07
+0:04
25.2M
25.20 mi16:08:474:49:4211:304:01
11:39
+1:32
Finish
26.22 mi16:18:354:59:3011:269:48
9:37
-2:02

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

9:37 /mi

Average Pace

11:26 /mi

Slowest Pace

12:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

56:34

19% of race

Time at Steady Pace

3:08:46

63% of race

Time at Slower Pace

54:10

18% of race

Average Pace: 11:25 /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 mi11:55:0836:0311:3636:03
11:36
#26272
10K
6.21 mi12:31:391:12:3411:4136:31
11:45
#26219
15K
9.32 mi13:08:221:49:1711:4336:43
11:49
#26129
20K
12.43 mi13:46:082:27:0311:5037:46
12:09
#26049
Half
13.11 mi13:53:402:34:3511:477:32
11:02
#26014
25K
15.53 mi14:21:003:01:5511:4327:20
11:16
#25795
30K
18.64 mi14:57:333:38:2811:4336:33
11:46
#25555
20M
20.00 mi15:13:573:54:5211:4516:24
12:04
#25477
21M
21.00 mi15:25:324:06:2711:4411:35
11:35
#25351
35K
21.75 mi15:32:514:13:4611:407:19
9:47
#25258
23M
23.00 mi15:46:044:26:5911:3613:13
10:33
#25109
24M
24.00 mi15:56:074:37:0211:3310:03
10:03
#25017
40K
24.85 mi16:04:464:45:4111:308:39
10:07
#24903
25.2M
25.20 mi16:08:474:49:4211:304:01
11:39
#24872
Finish
26.22 mi16:18:354:59:3011:269:48
9:37
#24794
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi26272112111121125935(Top 97%)10998(Top 96%)10998(Top 1349%)
10K6.21 mi3.10 mi26219+5311178+3311178+3326121(Top 98%)11120(Top 97%)11120(Top 1364%)
15K9.32 mi3.11 mi26129+9011119+5911119+5925935(Top 97%)10998(Top 96%)10998(Top 1349%)
20K12.43 mi3.11 mi26049+8011069+5011069+5025742(Top 97%)10916(Top 96%)10916(Top 1339%)
Half13.11 mi0.68 mi26014+3511046+2311046+2324994(Top 94%)10493(Top 92%)10493(Top 1287%)
25K15.53 mi2.42 mi25795+21910926+12010926+12024374(Top 92%)10153(Top 89%)10153(Top 1246%)
30K18.64 mi3.11 mi25555+24010803+12310803+12324213(Top 91%)10134(Top 89%)10134(Top 1243%)
20M20.00 mi1.36 mi25477+7810769+3410769+3424293(Top 91%)10233(Top 90%)10233(Top 1256%)
21M21.00 mi1.00 mi25351+12610704+6510704+6522042(Top 83%)9019(Top 79%)9019(Top 1107%)
35K21.75 mi0.75 mi25258+9310655+4910655+4920731(Top 78%)8362(Top 73%)8362(Top 1026%)
23M23.00 mi1.25 mi25109+14910585+7010585+7021461(Top 81%)8770(Top 77%)8770(Top 1076%)
24M24.00 mi1.00 mi25017+9210537+4810537+4820950(Top 79%)8520(Top 75%)8520(Top 1045%)
40K24.85 mi0.85 mi24903+11410480+5710480+5720316(Top 76%)8237(Top 72%)8237(Top 1011%)
25.2M25.20 mi0.35 mi24872+3110463+1710463+1721912(Top 82%)9096(Top 80%)9096(Top 1116%)
Finish26.22 mi1.02 mi24794+7810424+3910424+3920570(Top 77%)8338(Top 73%)8338(Top 1023%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

25935

Females

10998

F55-59

10998

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

26121

Females

11120

F55-59

11120

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

25935

Females

10998

F55-59

10998

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

25742

Females

10916

F55-59

10916

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

24994

Females

10493

F55-59

10493

Half→25K

13.1 - 15.5 mi

Top 92%
×4story building
+66ft-88ft

Overall

24374

Females

10153

F55-59

10153

25K→30K

15.5 - 18.6 mi

Top 91%
×9story building
+181ft-148ft

Overall

24213

Females

10134

F55-59

10134

30K→20M

18.6 - 20.0 mi

Top 91%
×5story building
+64ft-50ft

Overall

24293

Females

10233

F55-59

10233

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

22042

Females

9019

F55-59

9019

21M→35K

21.0 - 21.8 mi

Top 78%
×7story building
+17ft-86ft

Overall

20731

Females

8362

F55-59

8362

35K→23M

21.8 - 23.0 mi

Top 81%
×5story building
+23ft-63ft

Overall

21461

Females

8770

F55-59

8770

23M→24M

23.0 - 24.0 mi

Top 79%
×6story building
+12ft-82ft

Overall

20950

Females

8520

F55-59

8520

24M→40K

24.0 - 24.9 mi

Top 76%
×1story
+6ft-20ft

Overall

20316

Females

8237

F55-59

8237

40K→25.2M

24.9 - 25.2 mi

Top 82%
×1story
+13ft-16ft

Overall

21912

Females

9096

F55-59

9096

25.2M→Finish

25.2 - 26.2 mi

Top 77%
×2story building
+22ft-21ft

Overall

20570

Females

8338

F55-59

8338

Passing Analysis

Category:
Athletes Passed
1571
Passed By
93
Net Change
+1478
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26272
5K → 10K9239+53#26272#26219
10K → 15K10616+90#26219#26129
15K → 20K10222+80#26129#26049
20K → Half361+35#26049#26014
Half → 25K2190+219#26014#25795
25K → 30K2422+240#25795#25555
30K → 20M857+78#25555#25477
20M → 21M1260+126#25477#25351
21M → 35K930+93#25351#25258
35K → 23M1490+149#25258#25109
23M → 24M931+92#25109#25017
24M → 40K1140+114#25017#24903
40K → 25.2M332+31#24903#24872
25.2M → Finish813+78#24872#24794
TOTALS157193+1478
📊

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