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BOSTON MARATHON 2023

Sara Bagnell

Bib: 3899•F

CA

0:00
0:00
/ mi
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Overall
#0 / 26622
Top 34%
Gender (Female)
#0 / 11423
Top 15%
Division (F18-39)
#0 / 4884
Top 27%
Race Day Weather
49°/39°F
light intensity drizzle

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:21
Rank: #12730
Start → 5K
24:21 | 7:50/mi
10K· 6.21 mi
48:36
Rank: #12892 (-162)
5K → 10K
24:15 | 7:48/mi
15K· 9.32 mi
1:12:53
Rank: #12867 (+25)
10K → 15K
24:17 | 7:49/mi
20K· 12.43 mi
1:36:51
Rank: #12343 (+524)
15K → 20K
23:58 | 7:43/mi
Half· 13.11 mi
1:42:04
Rank: #12282 (+61)
20K → Half
5:13 | 7:39/mi
25K· 15.53 mi
2:00:49
Rank: #11983 (+299)
Half → 25K
18:45 | 7:44/mi
30K· 18.64 mi
2:24:55
Rank: #11387 (+596)
25K → 30K
24:06 | 7:45/mi
20M
2:35:11
Rank: #11011 (+376)
30K → 20M
10:16 | 7:33/mi
21M
2:42:53
Rank: #10658 (+353)
20M → 21M
7:42 | 7:42/mi
35K· 21.75 mi
2:48:13
Rank: #10462 (+196)
21M → 35K
5:20 | 7:08/mi
23M
2:57:18
Rank: #10079 (+383)
35K → 23M
9:05 | 7:15/mi
24M
3:04:19
Rank: #9767 (+312)
23M → 24M
7:01 | 7:01/mi
40K· 24.85 mi
3:10:22
Rank: #9508 (+259)
24M → 40K
6:03 | 7:05/mi
25.2M
3:12:57
Rank: #9396 (+112)
40K → 25.2M
2:35 | 7:29/mi
Finish· 26.22 mi
3:19:55
Rank: #9169 (+227)
25.2M → Finish
6:58 | 6:50/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:42:04
Pace7:47 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:37:51
Pace7:28 /mi
📊Negative Split: 4.1% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:54:1324:217:5024:21
7:50
-
10K
6.21 mi11:18:2848:367:4924:15
7:48
-0:02
15K
9.32 mi11:42:451:12:537:4924:17
7:49
+0:01
20K
12.43 mi12:06:431:36:517:4823:58
7:43
-0:06
Half
13.11 mi12:11:561:42:047:475:13
7:39
-0:04
25K
15.53 mi12:30:412:00:497:4718:45
7:44
+0:05
30K
18.64 mi12:54:472:24:557:4624:06
7:45
+0:01
20M
20.00 mi13:05:032:35:117:4610:16
7:33
-0:12
21M
21.00 mi13:12:452:42:537:457:42
7:42
+0:09
35K
21.75 mi13:18:052:48:137:445:20
7:08
-0:34
23M
23.00 mi13:27:102:57:187:439:05
7:15
+0:07
24M
24.00 mi13:34:113:04:197:417:01
7:01
-0:14
40K
24.85 mi13:40:143:10:227:406:03
7:05
+0:04
25.2M
25.20 mi13:42:493:12:577:392:35
7:29
+0:24
Finish
26.22 mi13:49:473:19:557:386:58
6:50
-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

6:50 /mi

Average Pace

7:38 /mi

Slowest Pace

7:50 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

37:02

19% of race

Time at Steady Pace

2:42:53

81% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:37 /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 mi10:54:1324:217:5024:21
7:50
#12730
10K
6.21 mi11:18:2848:367:4924:15
7:48
#12892
15K
9.32 mi11:42:451:12:537:4924:17
7:49
#12867
20K
12.43 mi12:06:431:36:517:4823:58
7:43
#12343
Half
13.11 mi12:11:561:42:047:475:13
7:39
#12282
25K
15.53 mi12:30:412:00:497:4718:45
7:44
#11983
30K
18.64 mi12:54:472:24:557:4624:06
7:45
#11387
20M
20.00 mi13:05:032:35:117:4610:16
7:33
#11011
21M
21.00 mi13:12:452:42:537:457:42
7:42
#10658
35K
21.75 mi13:18:052:48:137:445:20
7:08
#10462
23M
23.00 mi13:27:102:57:187:439:05
7:15
#10079
24M
24.00 mi13:34:113:04:197:417:01
7:01
#9767
40K
24.85 mi13:40:143:10:227:406:03
7:05
#9508
25.2M
25.20 mi13:42:493:12:577:392:35
7:29
#9396
Finish
26.22 mi13:49:473:19:557:386:58
6:50
#9169
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi127303287328712870(Top 48%)3388(Top 30%)3388(Top 69%)
10K6.21 mi3.10 mi12892-1623373-863373-8613160(Top 49%)3515(Top 31%)3515(Top 72%)
15K9.32 mi3.11 mi12867+253377-43377-412870(Top 48%)3388(Top 30%)3388(Top 69%)
20K12.43 mi3.11 mi12343+5243112+2653112+26511037(Top 41%)2419(Top 21%)2419(Top 50%)
Half13.11 mi0.68 mi12282+613086+263086+2611415(Top 43%)2556(Top 22%)2556(Top 52%)
25K15.53 mi2.42 mi11983+2992928+1582928+15810564(Top 40%)2259(Top 20%)2259(Top 46%)
30K18.64 mi3.11 mi11387+5962629+2992629+2999040(Top 34%)1724(Top 15%)1724(Top 35%)
20M20.00 mi1.36 mi11011+3762437+1922437+1927227(Top 27%)1119(Top 10%)1119(Top 23%)
21M21.00 mi1.00 mi10658+3532278+1592278+1595658(Top 21%)719(Top 6%)719(Top 15%)
35K21.75 mi0.75 mi10462+1962197+812197+816145(Top 23%)816(Top 7%)816(Top 17%)
23M23.00 mi1.25 mi10079+3832035+1622035+1625106(Top 19%)567(Top 5%)567(Top 12%)
24M24.00 mi1.00 mi9767+3121918+1171918+1174799(Top 18%)525(Top 5%)525(Top 11%)
40K24.85 mi0.85 mi9508+2591830+881830+884290(Top 16%)481(Top 4%)481(Top 10%)
25.2M25.20 mi0.35 mi9396+1121800+301800+303961(Top 15%)450(Top 4%)450(Top 9%)
Finish26.22 mi1.02 mi9169+2271721+791721+794314(Top 16%)539(Top 5%)539(Top 11%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 48%
×21stories
+97ft-345ft

Overall

12870

Females

3388

F18-39

3388

5K→10K

3.1 - 6.2 mi

Top 49%
×5stories
+79ft-138ft

Overall

13160

Females

3515

F18-39

3515

10K→15K

6.2 - 9.3 mi

Top 48%
×3stories
+67ft-78ft

Overall

12870

Females

3388

F18-39

3388

15K→20K

9.3 - 12.4 mi

Top 41%
×5stories
+106ft-86ft

Overall

11037

Females

2419

F18-39

2419

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

11415

Females

2556

F18-39

2556

Half→25K

13.1 - 15.5 mi

Top 40%
×4stories
+66ft-88ft

Overall

10564

Females

2259

F18-39

2259

25K→30K

15.5 - 18.6 mi

Top 34%
×9stories
+181ft-148ft

Overall

9040

Females

1724

F18-39

1724

30K→20M

18.6 - 20.0 mi

Top 27%
×5stories
+64ft-50ft

Overall

7227

Females

1119

F18-39

1119

20M→21M

20.0 - 21.0 mi

Top 21%
×8stories
+106ft-24ft

Overall

5658

Females

719

F18-39

719

21M→35K

21.0 - 21.8 mi

Top 23%
×7stories
+17ft-86ft

Overall

6145

Females

816

F18-39

816

35K→23M

21.8 - 23.0 mi

Top 19%
×5stories
+23ft-63ft

Overall

5106

Females

567

F18-39

567

23M→24M

23.0 - 24.0 mi

Top 18%
×6stories
+12ft-82ft

Overall

4799

Females

525

F18-39

525

24M→40K

24.0 - 24.9 mi

Top 16%
×1story
+6ft-20ft

Overall

4290

Females

481

F18-39

481

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

3961

Females

450

F18-39

450

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2stories
+22ft-21ft

Overall

4314

Females

539

F18-39

539

Passing Analysis

Category:
Athletes Passed
4203*
Passed By
642
Net Change
+3561
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12730
5K → 10K230392-162#12730#12892
10K → 15K220195+25#12892#12867
15K → 20K54521+524#12867#12343
20K → Half709+61#12343#12282
Half → 25K31718+299#12282#11983
25K → 30K5993+596#11983#11387
30K → 20M377*1+376#11387#11011
20M → 21M3530+353#11011#10658
21M → 35K1960+196#10658#10462
35K → 23M3830+383#10462#10079
23M → 24M312*0+312#10079#9767
24M → 40K259*0+259#9767#9508
40K → 25.2M1120+112#9508#9396
25.2M → Finish2303+227#9396#9169
TOTALS4203*642+3561

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

📊

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