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BOSTON MARATHON 2023

Rachelle Martin

Bib: 11719•F

UT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 35%
Gender (Female)
#0 / 11423
Top 16%
Masters (Masters Women)
#0 / 6539
Top 6%
Division (F45-49)
#0 / 1817
Top 6%
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
7:31/mi
23:21
↑ 97↓ 3451.5%
10K· 6.21 mi
7:24/mi
46:19
↑ 79↓ 1380.4%
15K· 9.32 mi
7:25/mi
1:09:21
↑ 67↓ 78
20K· 12.43 mi
7:32/mi
1:32:45
↑ 106↓ 860.1%
Half· 13.11 mi
7:17/mi
1:37:43
↑ 19↓ 370.5%
25K· 15.53 mi
7:33/mi
1:56:01
↑ 66↓ 880.2%
30K· 18.64 mi
7:52/mi
2:20:26
↑ 181↓ 1480.2%
20M
7:51/mi
2:31:06
↑ 64↓ 500.2%
21M
8:08/mi
2:39:14
↑ 106↓ 241.6%
35K· 21.75 mi
7:29/mi
2:44:50
↑ 17↓ 861.7%
23M
7:49/mi
2:54:37
↑ 23↓ 630.6%
24M
7:33/mi
3:02:10
↓ 821.3%
40K· 24.85 mi
7:58/mi
3:08:59
↓ 200.3%
25.2M
8:48/mi
3:12:01
↑ 13↓ 160.2%
Finish· 26.22 mi
8:16/mi
3:20:26
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:43
Pace7:27 /mi
2nd Half
Distance13.11 mi
Time1:42:43
Pace7:50 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:4123:217:3123:21
7:31
-
10K
6.21 mi11:13:3946:197:2722:58
7:24
-0:07
15K
9.32 mi11:36:411:09:217:2623:02
7:25
+0:01
20K
12.43 mi12:00:051:32:457:2823:24
7:32
+0:07
Half
13.11 mi12:05:031:37:437:274:58
7:17
-0:15
25K
15.53 mi12:23:211:56:017:2818:18
7:33
+0:16
30K
18.64 mi12:47:462:20:267:3224:25
7:52
+0:19
20M
20.00 mi12:58:262:31:067:3310:40
7:51
-0:01
21M
21.00 mi13:06:342:39:147:358:08
8:08
+0:17
35K
21.75 mi13:12:102:44:507:355:36
7:29
-0:39
23M
23.00 mi13:21:572:54:377:369:47
7:49
+0:20
24M
24.00 mi13:29:303:02:107:357:33
7:33
-0:16
40K
24.85 mi13:36:193:08:597:366:49
7:58
+0:25
25.2M
25.20 mi13:39:213:12:017:373:02
8:48
+0:50
Finish
26.22 mi13:47:463:20:267:398:25
8:16
-0:32

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

7:17 /mi

Average Pace

7:39 /mi

Slowest Pace

8:48 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

4:58

2% of race

Time at Steady Pace

2:04:12

62% of race

Time at Slower Pace

1:11:16

36% of race

Average Pace: 7:39 /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 mi10:50:4123:217:3123:21
7:31
#9773
10K
6.21 mi11:13:3946:197:2722:58
7:24
#9615
15K
9.32 mi11:36:411:09:217:2623:02
7:25
#9538
20K
12.43 mi12:00:051:32:457:2823:24
7:32
#9523
Half
13.11 mi12:05:031:37:437:274:58
7:17
#9457
25K
15.53 mi12:23:211:56:017:2818:18
7:33
#9384
30K
18.64 mi12:47:462:20:267:3224:25
7:52
#9434
20M
20.00 mi12:58:262:31:067:3310:40
7:51
#9405
21M
21.00 mi13:06:342:39:147:358:08
8:08
#9281
35K
21.75 mi13:12:102:44:507:355:36
7:29
#9239
23M
23.00 mi13:21:572:54:377:369:47
7:49
#9175
24M
24.00 mi13:29:303:02:107:357:33
7:33
#9100
40K
24.85 mi13:36:193:08:597:366:49
7:58
#9089
25.2M
25.20 mi13:39:213:12:017:373:02
8:48
#9128
Finish
26.22 mi13:47:463:20:267:398:25
8:16
#9315
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi9773174517459466(Top 36%)1608(Top 14%)1608(Top 88%)
10K6.21 mi3.10 mi9615+1581666+791666+799564(Top 36%)1645(Top 14%)1645(Top 91%)
15K9.32 mi3.11 mi9538+771636+301636+309466(Top 36%)1608(Top 14%)1608(Top 88%)
20K12.43 mi3.11 mi9523+151638-21638-29581(Top 36%)1726(Top 15%)1726(Top 95%)
Half13.11 mi0.68 mi9457+661616+221616+228532(Top 32%)1311(Top 11%)1311(Top 72%)
25K15.53 mi2.42 mi9384+731602+141602+149154(Top 34%)1619(Top 14%)1619(Top 89%)
30K18.64 mi3.11 mi9434-501664-621664-629821(Top 37%)2074(Top 18%)2074(Top 114%)
20M20.00 mi1.36 mi9405+291672-81672-89242(Top 35%)1901(Top 17%)1901(Top 105%)
21M21.00 mi1.00 mi9281+1241651+211651+218229(Top 31%)1625(Top 14%)1625(Top 89%)
35K21.75 mi0.75 mi9239+421646+51646+58492(Top 32%)1691(Top 15%)1691(Top 93%)
23M23.00 mi1.25 mi9175+641647-11647-18531(Top 32%)1806(Top 16%)1806(Top 99%)
24M24.00 mi1.00 mi9100+751635+121635+128078(Top 30%)1711(Top 15%)1711(Top 94%)
40K24.85 mi0.85 mi9089+111648-131648-139884(Top 37%)2582(Top 23%)2582(Top 142%)
25.2M25.20 mi0.35 mi9128-391676-281676-2811331(Top 43%)3343(Top 29%)3343(Top 184%)
Finish26.22 mi1.02 mi9315-1871784-1081784-10813843(Top 52%)4646(Top 41%)4646(Top 256%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21story building
+97ft-345ft

Overall

9466

Females

1608

F45-49

1608

5K→10K

3.1 - 6.2 mi

Top 36%
×5story building
+79ft-138ft

Overall

9564

Females

1645

F45-49

1645

10K→15K

6.2 - 9.3 mi

Top 36%
×3story building
+67ft-78ft

Overall

9466

Females

1608

F45-49

1608

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

9581

Females

1726

F45-49

1726

20K→Half

12.4 - 13.1 mi

Top 32%
×2story building
+19ft-37ft

Overall

8532

Females

1311

F45-49

1311

Half→25K

13.1 - 15.5 mi

Top 34%
×4story building
+66ft-88ft

Overall

9154

Females

1619

F45-49

1619

25K→30K

15.5 - 18.6 mi

Top 37%
×9story building
+181ft-148ft

Overall

9821

Females

2074

F45-49

2074

30K→20M

18.6 - 20.0 mi

Top 35%
×5story building
+64ft-50ft

Overall

9242

Females

1901

F45-49

1901

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8229

Females

1625

F45-49

1625

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

8492

Females

1691

F45-49

1691

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8531

Females

1806

F45-49

1806

23M→24M

23.0 - 24.0 mi

Top 30%
×6story building
+12ft-82ft

Overall

8078

Females

1711

F45-49

1711

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9884

Females

2582

F45-49

2582

40K→25.2M

24.9 - 25.2 mi

Top 43%
×1story
+13ft-16ft

Overall

11331

Females

3343

F45-49

3343

25.2M→Finish

25.2 - 26.2 mi

Top 52%
×2story building
+22ft-21ft

Overall

13843

Females

4646

F45-49

4646

Passing Analysis

Category:
Athletes Passed
1719*
Passed By
1261
Net Change
+458
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9773
5K → 10K388230+158#9773#9615
10K → 15K202125+77#9615#9538
15K → 20K148133+15#9538#9523
20K → Half726+66#9523#9457
Half → 25K15077+73#9457#9384
25K → 30K157*207-50#9384#9434
30K → 20M9566+29#9434#9405
20M → 21M14824+124#9405#9281
21M → 35K6725+42#9281#9239
35K → 23M11450+64#9239#9175
23M → 24M9419+75#9175#9100
24M → 40K5645+11#9100#9089
40K → 25.2M1251-39#9089#9128
25.2M → Finish16203-187#9128#9315
TOTALS1719*1261+458

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

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