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BOSTON MARATHON 2023

Rebecca Martin

Bib: 19400•F

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Top 38%
Masters (Masters Women)
#0 / 6539
Top 25%
Division (F40-44)
#0 / 1878
Top 45%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
26:01
Rank: #16683
Start → 5K
26:01 | 8:22/mi
10K· 6.21 mi
51:19
Rank: #16230 (+453)
5K → 10K
25:18 | 8:09/mi
15K· 9.32 mi
1:16:30
Rank: #15889 (+341)
10K → 15K
25:11 | 8:06/mi
20K· 12.43 mi
1:41:56
Rank: #15589 (+300)
15K → 20K
25:26 | 8:11/mi
Half· 13.11 mi
1:47:22
Rank: #15519 (+70)
20K → Half
5:26 | 7:58/mi
25K· 15.53 mi
2:07:20
Rank: #15331 (+188)
Half → 25K
19:58 | 8:14/mi
30K· 18.64 mi
2:33:26
Rank: #14998 (+333)
25K → 30K
26:06 | 8:24/mi
20M
2:44:54
Rank: #14868 (+130)
30K → 20M
11:28 | 8:26/mi
21M
2:53:38
Rank: #14678 (+190)
20M → 21M
8:44 | 8:44/mi
35K· 21.75 mi
2:59:42
Rank: #14605 (+73)
21M → 35K
6:04 | 8:07/mi
23M
3:10:14
Rank: #14480 (+125)
35K → 23M
10:32 | 8:25/mi
24M
3:18:20
Rank: #14342 (+138)
23M → 24M
8:06 | 8:06/mi
40K· 24.85 mi
3:25:21
Rank: #14220 (+122)
24M → 40K
7:01 | 8:12/mi
25.2M
3:28:25
Rank: #14176 (+44)
40K → 25.2M
3:04 | 8:54/mi
Finish· 26.22 mi
3:36:49
Rank: #14137 (+39)
25.2M → Finish
8:24 | 8:15/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:47:22
Pace8:11 /mi
2nd Half
Distance13.11 mi
Time1:49:27
Pace8:21 /mi
📊Positive Split: 1.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:17:3226:018:2226:01
8:22
-
10K
6.21 mi11:42:5051:198:1625:18
8:09
-0:13
15K
9.32 mi12:08:011:16:308:1225:11
8:06
-0:03
20K
12.43 mi12:33:271:41:568:1225:26
8:11
+0:05
Half
13.11 mi12:38:531:47:228:115:26
7:58
-0:13
25K
15.53 mi12:58:512:07:208:1219:58
8:14
+0:16
30K
18.64 mi13:24:572:33:268:1426:06
8:24
+0:10
20M
20.00 mi13:36:252:44:548:1511:28
8:26
+0:02
21M
21.00 mi13:45:092:53:388:168:44
8:44
+0:18
35K
21.75 mi13:51:132:59:428:166:04
8:07
-0:37
23M
23.00 mi14:01:453:10:148:1610:32
8:25
+0:18
24M
24.00 mi14:09:513:18:208:168:06
8:06
-0:19
40K
24.85 mi14:16:523:25:218:167:01
8:12
+0:06
25.2M
25.20 mi14:19:563:28:258:163:04
8:54
+0:42
Finish
26.22 mi14:28:203:36:498:178:24
8:15
-0:39

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

7:58 /mi

Average Pace

8:17 /mi

Slowest Pace

8:54 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:33:45

99% of race

Time at Steady Pace

3:04

1% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:16 /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 mi11:17:3226:018:2226:01
8:22
#16683
10K
6.21 mi11:42:5051:198:1625:18
8:09
#16230
15K
9.32 mi12:08:011:16:308:1225:11
8:06
#15889
20K
12.43 mi12:33:271:41:568:1225:26
8:11
#15589
Half
13.11 mi12:38:531:47:228:115:26
7:58
#15519
25K
15.53 mi12:58:512:07:208:1219:58
8:14
#15331
30K
18.64 mi13:24:572:33:268:1426:06
8:24
#14998
20M
20.00 mi13:36:252:44:548:1511:28
8:26
#14868
21M
21.00 mi13:45:092:53:388:168:44
8:44
#14678
35K
21.75 mi13:51:132:59:428:166:04
8:07
#14605
23M
23.00 mi14:01:453:10:148:1610:32
8:25
#14480
24M
24.00 mi14:09:513:18:208:168:06
8:06
#14342
40K
24.85 mi14:16:523:25:218:167:01
8:12
#14220
25.2M
25.20 mi14:19:563:28:258:163:04
8:54
#14176
Finish
26.22 mi14:28:203:36:498:178:24
8:15
#14137
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi166835715571515216(Top 57%)4802(Top 42%)4802(Top 256%)
10K6.21 mi3.10 mi16230+4535412+3035412+30315850(Top 60%)5173(Top 45%)5173(Top 275%)
15K9.32 mi3.11 mi15889+3415208+2045208+20415216(Top 57%)4802(Top 42%)4802(Top 256%)
20K12.43 mi3.11 mi15589+3005049+1595049+15914893(Top 56%)4642(Top 41%)4642(Top 247%)
Half13.11 mi0.68 mi15519+705006+435006+4314141(Top 53%)4172(Top 37%)4172(Top 222%)
25K15.53 mi2.42 mi15331+1884918+884918+8814496(Top 54%)4511(Top 39%)4511(Top 240%)
30K18.64 mi3.11 mi14998+3334746+1724746+17213706(Top 51%)4158(Top 36%)4158(Top 221%)
20M20.00 mi1.36 mi14868+1304683+634683+6313281(Top 50%)4013(Top 35%)4013(Top 214%)
21M21.00 mi1.00 mi14678+1904595+884595+8811912(Top 45%)3359(Top 29%)3359(Top 179%)
35K21.75 mi0.75 mi14605+734566+294566+2912903(Top 48%)3956(Top 35%)3956(Top 211%)
23M23.00 mi1.25 mi14480+1254516+504516+5012693(Top 48%)3906(Top 34%)3906(Top 208%)
24M24.00 mi1.00 mi14342+1384452+644452+6411981(Top 45%)3582(Top 31%)3582(Top 191%)
40K24.85 mi0.85 mi14220+1224404+484404+4811453(Top 43%)3401(Top 30%)3401(Top 181%)
25.2M25.20 mi0.35 mi14176+444390+144390+1411999(Top 45%)3737(Top 33%)3737(Top 199%)
Finish26.22 mi1.02 mi14137+394382+84382+813742(Top 52%)4601(Top 40%)4601(Top 245%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 57%
×21stories
+97ft-345ft

Overall

15216

Females

4802

F40-44

4802

5K→10K

3.1 - 6.2 mi

Top 60%
×5stories
+79ft-138ft

Overall

15850

Females

5173

F40-44

5173

10K→15K

6.2 - 9.3 mi

Top 57%
×3stories
+67ft-78ft

Overall

15216

Females

4802

F40-44

4802

15K→20K

9.3 - 12.4 mi

Top 56%
×5stories
+106ft-86ft

Overall

14893

Females

4642

F40-44

4642

20K→Half

12.4 - 13.1 mi

Top 53%
×2stories
+19ft-37ft

Overall

14141

Females

4172

F40-44

4172

Half→25K

13.1 - 15.5 mi

Top 54%
×4stories
+66ft-88ft

Overall

14496

Females

4511

F40-44

4511

25K→30K

15.5 - 18.6 mi

Top 51%
×9stories
+181ft-148ft

Overall

13706

Females

4158

F40-44

4158

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

13281

Females

4013

F40-44

4013

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

11912

Females

3359

F40-44

3359

21M→35K

21.0 - 21.8 mi

Top 48%
×7stories
+17ft-86ft

Overall

12903

Females

3956

F40-44

3956

35K→23M

21.8 - 23.0 mi

Top 48%
×5stories
+23ft-63ft

Overall

12693

Females

3906

F40-44

3906

23M→24M

23.0 - 24.0 mi

Top 45%
×6stories
+12ft-82ft

Overall

11981

Females

3582

F40-44

3582

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

11453

Females

3401

F40-44

3401

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11999

Females

3737

F40-44

3737

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2stories
+22ft-21ft

Overall

13742

Females

4601

F40-44

4601

Passing Analysis

Category:
Athletes Passed
3028
Passed By
482
Net Change
+2546
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16683
5K → 10K587134+453#16683#16230
10K → 15K40968+341#16230#15889
15K → 20K34747+300#15889#15589
20K → Half755+70#15589#15519
Half → 25K23648+188#15519#15331
25K → 30K36835+333#15331#14998
30K → 20M15727+130#14998#14868
20M → 21M20010+190#14868#14678
21M → 35K8613+73#14678#14605
35K → 23M14621+125#14605#14480
23M → 24M15214+138#14480#14342
24M → 40K13412+122#14342#14220
40K → 25.2M484+44#14220#14176
25.2M → Finish8344+39#14176#14137
TOTALS3028482+2546
📊

Passing Visuals

Category:
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🔥Passing Intensity

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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