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BOSTON MARATHON 2023

Megan Hirschi

Bib: 15128•F

PA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 40%
Gender (Female)
#0 / 11423
Top 21%
Division (F18-39)
#0 / 4884
Top 37%
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
7:42/mi
23:55
↑ 97↓ 3451.5%
10K· 6.21 mi
7:33/mi
47:22
↑ 79↓ 1380.4%
15K· 9.32 mi
7:31/mi
1:10:44
↑ 67↓ 78
20K· 12.43 mi
7:40/mi
1:34:33
↑ 106↓ 860.1%
Half· 13.11 mi
7:39/mi
1:39:46
↑ 19↓ 370.5%
25K· 15.53 mi
7:48/mi
1:58:41
↑ 66↓ 880.2%
30K· 18.64 mi
7:57/mi
2:23:22
↑ 181↓ 1480.2%
20M
8:00/mi
2:34:14
↑ 64↓ 500.2%
21M
8:33/mi
2:42:47
↑ 106↓ 241.6%
35K· 21.75 mi
7:49/mi
2:48:38
↑ 17↓ 861.7%
23M
8:09/mi
2:58:50
↑ 23↓ 630.6%
24M
8:04/mi
3:06:54
↓ 821.3%
40K· 24.85 mi
8:15/mi
3:13:57
↓ 200.3%
25.2M
8:59/mi
3:17:03
↑ 13↓ 160.2%
Finish· 26.22 mi
7:45/mi
3:24:57
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:46
Pace7:37 /mi
2nd Half
Distance13.11 mi
Time1:45:11
Pace8:01 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:5823:557:4223:55
7:42
-
10K
6.21 mi11:18:2547:227:3723:27
7:33
-0:09
15K
9.32 mi11:41:471:10:447:3523:22
7:31
-0:02
20K
12.43 mi12:05:361:34:337:3623:49
7:40
+0:09
Half
13.11 mi12:10:491:39:467:375:13
7:39
-0:01
25K
15.53 mi12:29:441:58:417:3818:55
7:48
+0:09
30K
18.64 mi12:54:252:23:227:4124:41
7:57
+0:09
20M
20.00 mi13:05:172:34:147:4310:52
8:00
+0:03
21M
21.00 mi13:13:502:42:477:458:33
8:33
+0:33
35K
21.75 mi13:19:412:48:387:455:51
7:49
-0:44
23M
23.00 mi13:29:532:58:507:4710:12
8:09
+0:20
24M
24.00 mi13:37:573:06:547:478:04
8:04
-0:05
40K
24.85 mi13:45:003:13:577:487:03
8:15
+0:11
25.2M
25.20 mi13:48:063:17:037:493:06
8:59
+0:44
Finish
26.22 mi13:56:003:24:577:497:54
7:45
-1:14

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

7:31 /mi

Average Pace

7:49 /mi

Slowest Pace

8:59 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:13:18

94% of race

Time at Steady Pace

8:33

4% of race

Time at Slower Pace

3:06

2% of race

Average Pace: 7:49 /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 mi10:54:5823:557:4223:55
7:42
#11437
10K
6.21 mi11:18:2547:227:3723:27
7:33
#11125
15K
9.32 mi11:41:471:10:447:3523:22
7:31
#10832
20K
12.43 mi12:05:361:34:337:3623:49
7:40
#10778
Half
13.11 mi12:10:491:39:467:375:13
7:39
#10817
25K
15.53 mi12:29:441:58:417:3818:55
7:48
#10822
30K
18.64 mi12:54:252:23:227:4124:41
7:57
#10693
20M
20.00 mi13:05:172:34:147:4310:52
8:00
#10653
21M
21.00 mi13:13:502:42:477:458:33
8:33
#10633
35K
21.75 mi13:19:412:48:387:455:51
7:49
#10610
23M
23.00 mi13:29:532:58:507:4710:12
8:09
#10606
24M
24.00 mi13:37:573:06:547:478:04
8:04
#10648
40K
24.85 mi13:45:003:13:577:487:03
8:15
#10654
25.2M
25.20 mi13:48:063:17:037:493:06
8:59
#10682
Finish
26.22 mi13:56:003:24:577:497:54
7:45
#10629
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi114372559255910362(Top 39%)2012(Top 18%)2012(Top 41%)
10K6.21 mi3.10 mi11125+3122390+1692390+16910871(Top 41%)2245(Top 20%)2245(Top 46%)
15K9.32 mi3.11 mi10832+2932252+1382252+13810362(Top 39%)2012(Top 18%)2012(Top 41%)
20K12.43 mi3.11 mi10778+542235+172235+1710650(Top 40%)2230(Top 20%)2230(Top 46%)
Half13.11 mi0.68 mi10817-392253-182253-1811450(Top 43%)2591(Top 23%)2591(Top 53%)
25K15.53 mi2.42 mi10822-52263-102263-1011113(Top 42%)2539(Top 22%)2539(Top 52%)
30K18.64 mi3.11 mi10693+1292251+122251+1210482(Top 39%)2380(Top 21%)2380(Top 49%)
20M20.00 mi1.36 mi10653+402257-62257-610257(Top 39%)2350(Top 21%)2350(Top 48%)
21M21.00 mi1.00 mi10633+202266-92266-910779(Top 40%)2758(Top 24%)2758(Top 56%)
35K21.75 mi0.75 mi10610+232277-112277-1110834(Top 41%)2786(Top 24%)2786(Top 57%)
23M23.00 mi1.25 mi10606+42308-312308-3110818(Top 41%)2920(Top 26%)2920(Top 60%)
24M24.00 mi1.00 mi10648-422349-412349-4111703(Top 44%)3422(Top 30%)3422(Top 70%)
40K24.85 mi0.85 mi10654-62379-302379-3011677(Top 44%)3489(Top 31%)3489(Top 71%)
25.2M25.20 mi0.35 mi10682-282407-282407-2812480(Top 47%)3939(Top 34%)3939(Top 81%)
Finish26.22 mi1.02 mi10629+532402+52402+510339(Top 39%)2856(Top 25%)2856(Top 58%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

10362

Females

2012

F18-39

2012

5K→10K

3.1 - 6.2 mi

Top 41%
×5story building
+79ft-138ft

Overall

10871

Females

2245

F18-39

2245

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

10362

Females

2012

F18-39

2012

15K→20K

9.3 - 12.4 mi

Top 40%
×5story building
+106ft-86ft

Overall

10650

Females

2230

F18-39

2230

20K→Half

12.4 - 13.1 mi

Top 43%
×2story building
+19ft-37ft

Overall

11450

Females

2591

F18-39

2591

Half→25K

13.1 - 15.5 mi

Top 42%
×4story building
+66ft-88ft

Overall

11113

Females

2539

F18-39

2539

25K→30K

15.5 - 18.6 mi

Top 39%
×9story building
+181ft-148ft

Overall

10482

Females

2380

F18-39

2380

30K→20M

18.6 - 20.0 mi

Top 39%
×5story building
+64ft-50ft

Overall

10257

Females

2350

F18-39

2350

20M→21M

20.0 - 21.0 mi

Top 40%
×8story building
+106ft-24ft

Overall

10779

Females

2758

F18-39

2758

21M→35K

21.0 - 21.8 mi

Top 41%
×7story building
+17ft-86ft

Overall

10834

Females

2786

F18-39

2786

35K→23M

21.8 - 23.0 mi

Top 41%
×5story building
+23ft-63ft

Overall

10818

Females

2920

F18-39

2920

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

11703

Females

3422

F18-39

3422

24M→40K

24.0 - 24.9 mi

Top 44%
×1story
+6ft-20ft

Overall

11677

Females

3489

F18-39

3489

40K→25.2M

24.9 - 25.2 mi

Top 47%
×1story
+13ft-16ft

Overall

12480

Females

3939

F18-39

3939

25.2M→Finish

25.2 - 26.2 mi

Top 39%
×2story building
+22ft-21ft

Overall

10339

Females

2856

F18-39

2856

Passing Analysis

Category:
Athletes Passed
1979*
Passed By
1171
Net Change
+808
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11437
5K → 10K478166+312#11437#11125
10K → 15K36067+293#11125#10832
15K → 20K184130+54#10832#10778
20K → Half1554-39#10778#10817
Half → 25K132137-5#10817#10822
25K → 30K244115+129#10822#10693
30K → 20M99*59+40#10693#10653
20M → 21M7858+20#10653#10633
21M → 35K6542+23#10633#10610
35K → 23M8884+4#10610#10606
23M → 24M5597-42#10606#10648
24M → 40K6672-6#10648#10654
40K → 25.2M2048-28#10654#10682
25.2M → Finish9542+53#10682#10629
TOTALS1979*1171+808

* 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