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BOSTON MARATHON 2023

Michelle Martin

Bib: 18070•F

OR

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Top 42%
Division (F45-49)
#0 / 1817
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
8:39/mi
26:53
↑ 97↓ 3451.5%
10K· 6.21 mi
8:40/mi
53:49
↑ 79↓ 1380.4%
15K· 9.32 mi
8:40/mi
1:20:44
↑ 67↓ 78
20K· 12.43 mi
8:42/mi
1:47:46
↑ 106↓ 860.1%
Half· 13.11 mi
8:40/mi
1:53:41
↑ 19↓ 370.5%
25K· 15.53 mi
8:39/mi
2:14:39
↑ 66↓ 880.2%
30K· 18.64 mi
8:52/mi
2:42:11
↑ 181↓ 1480.2%
20M
8:49/mi
2:54:10
↑ 64↓ 500.2%
21M
9:01/mi
3:03:11
↑ 106↓ 241.6%
35K· 21.75 mi
8:31/mi
3:09:33
↑ 17↓ 861.7%
23M
8:42/mi
3:20:26
↑ 23↓ 630.6%
24M
8:30/mi
3:28:56
↓ 821.3%
40K· 24.85 mi
8:31/mi
3:36:13
↓ 200.3%
25.2M
8:56/mi
3:39:18
↑ 13↓ 160.2%
Finish· 26.22 mi
7:45/mi
3:47:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time1:53:41
Pace8:40 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time1:53:31
Pace8:40 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:1726:538:3926:53
8:39
-
10K
6.21 mi11:45:1353:498:4026:56
8:40
+0:01
15K
9.32 mi12:12:081:20:448:4026:55
8:40
0:00
20K
12.43 mi12:39:101:47:468:4027:02
8:42
+0:02
Half
13.11 mi12:45:051:53:418:405:55
8:40
-0:02
25K
15.53 mi13:06:032:14:398:4020:58
8:39
-0:01
30K
18.64 mi13:33:352:42:118:4227:32
8:52
+0:13
20M
20.00 mi13:45:342:54:108:4211:59
8:49
-0:03
21M
21.00 mi13:54:353:03:118:439:01
9:01
+0:12
35K
21.75 mi14:00:573:09:338:436:22
8:31
-0:30
23M
23.00 mi14:11:503:20:268:4310:53
8:42
+0:11
24M
24.00 mi14:20:203:28:568:428:30
8:30
-0:12
40K
24.85 mi14:27:373:36:138:427:17
8:31
+0:01
25.2M
25.20 mi14:30:423:39:188:423:05
8:56
+0:25
Finish
26.22 mi14:38:363:47:128:407:54
7:45
-1:11

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

7:45 /mi

Average Pace

8:40 /mi

Slowest Pace

9:01 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

30:03

13% of race

Time at Steady Pace

3:17:09

87% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:40 /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 mi11:18:1726:538:3926:53
8:39
#18589
10K
6.21 mi11:45:1353:498:4026:56
8:40
#18884
15K
9.32 mi12:12:081:20:448:4026:55
8:40
#18820
20K
12.43 mi12:39:101:47:468:4027:02
8:42
#18649
Half
13.11 mi12:45:051:53:418:405:55
8:40
#18647
25K
15.53 mi13:06:032:14:398:4020:58
8:39
#18390
30K
18.64 mi13:33:352:42:118:4227:32
8:52
#17978
20M
20.00 mi13:45:342:54:108:4211:59
8:49
#17771
21M
21.00 mi13:54:353:03:118:439:01
9:01
#17511
35K
21.75 mi14:00:573:09:338:436:22
8:31
#17440
23M
23.00 mi14:11:503:20:268:4310:53
8:42
#17256
24M
24.00 mi14:20:203:28:568:428:30
8:30
#17123
40K
24.85 mi14:27:373:36:138:427:17
8:31
#16988
25.2M
25.20 mi14:30:423:39:188:423:05
8:56
#16917
Finish
26.22 mi14:38:363:47:128:407:54
7:45
#16677
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi185896925692518792(Top 71%)6970(Top 61%)6970(Top 384%)
10K6.21 mi3.10 mi18884-2957066-1417066-14119241(Top 72%)7223(Top 63%)7223(Top 398%)
15K9.32 mi3.11 mi18820+647018+487018+4818792(Top 71%)6970(Top 61%)6970(Top 384%)
20K12.43 mi3.11 mi18649+1716900+1186900+11818135(Top 68%)6582(Top 58%)6582(Top 362%)
Half13.11 mi0.68 mi18647+26900690018778(Top 71%)6935(Top 61%)6935(Top 382%)
25K15.53 mi2.42 mi18390+2576758+1426758+14217095(Top 64%)6056(Top 53%)6056(Top 333%)
30K18.64 mi3.11 mi17978+4126551+2076551+20716446(Top 62%)5752(Top 50%)5752(Top 317%)
20M20.00 mi1.36 mi17771+2076441+1106441+11015559(Top 58%)5316(Top 47%)5316(Top 293%)
21M21.00 mi1.00 mi17511+2606301+1406301+14013553(Top 51%)4248(Top 37%)4248(Top 234%)
35K21.75 mi0.75 mi17440+716268+336268+3315423(Top 58%)5368(Top 47%)5368(Top 295%)
23M23.00 mi1.25 mi17256+1846174+946174+9414367(Top 54%)4840(Top 42%)4840(Top 266%)
24M24.00 mi1.00 mi17123+1336110+646110+6414513(Top 55%)4970(Top 44%)4970(Top 274%)
40K24.85 mi0.85 mi16988+1356055+556055+5513517(Top 51%)4494(Top 39%)4494(Top 247%)
25.2M25.20 mi0.35 mi16917+716025+306025+3012294(Top 46%)3907(Top 34%)3907(Top 215%)
Finish26.22 mi1.02 mi16677+2405886+1395886+13910377(Top 39%)2894(Top 25%)2894(Top 159%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 71%
×21story building
+97ft-345ft

Overall

18792

Females

6970

F45-49

6970

5K→10K

3.1 - 6.2 mi

Top 72%
×5story building
+79ft-138ft

Overall

19241

Females

7223

F45-49

7223

10K→15K

6.2 - 9.3 mi

Top 71%
×3story building
+67ft-78ft

Overall

18792

Females

6970

F45-49

6970

15K→20K

9.3 - 12.4 mi

Top 68%
×5story building
+106ft-86ft

Overall

18135

Females

6582

F45-49

6582

20K→Half

12.4 - 13.1 mi

Top 71%
×2story building
+19ft-37ft

Overall

18778

Females

6935

F45-49

6935

Half→25K

13.1 - 15.5 mi

Top 64%
×4story building
+66ft-88ft

Overall

17095

Females

6056

F45-49

6056

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

16446

Females

5752

F45-49

5752

30K→20M

18.6 - 20.0 mi

Top 58%
×5story building
+64ft-50ft

Overall

15559

Females

5316

F45-49

5316

20M→21M

20.0 - 21.0 mi

Top 51%
×8story building
+106ft-24ft

Overall

13553

Females

4248

F45-49

4248

21M→35K

21.0 - 21.8 mi

Top 58%
×7story building
+17ft-86ft

Overall

15423

Females

5368

F45-49

5368

35K→23M

21.8 - 23.0 mi

Top 54%
×5story building
+23ft-63ft

Overall

14367

Females

4840

F45-49

4840

23M→24M

23.0 - 24.0 mi

Top 55%
×6story building
+12ft-82ft

Overall

14513

Females

4970

F45-49

4970

24M→40K

24.0 - 24.9 mi

Top 51%
×1story
+6ft-20ft

Overall

13517

Females

4494

F45-49

4494

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

12294

Females

3907

F45-49

3907

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

10377

Females

2894

F45-49

2894

Passing Analysis

Category:
Athletes Passed
2789
Passed By
877
Net Change
+1912
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18589
5K → 10K207502-295#18589#18884
10K → 15K218154+64#18884#18820
15K → 20K24675+171#18820#18649
20K → Half3129+2#18649#18647
Half → 25K28326+257#18647#18390
25K → 30K44230+412#18390#17978
30K → 20M2158+207#17978#17771
20M → 21M2655+260#17771#17511
21M → 35K8615+71#17511#17440
35K → 23M19814+184#17440#17256
23M → 24M1407+133#17256#17123
24M → 40K1449+135#17123#16988
40K → 25.2M743+71#16988#16917
25.2M → Finish2400+240#16917#16677
TOTALS2789877+1912
📊

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