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BOSTON MARATHON 2024

Sara Borrasso

Bib: 8255•F

DC

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 37%
Gender (Female)
#0 / 10924
Top 22%
Division (F18-39)
#0 / 4660
Top 37%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
24:15
Rank: #13132
Start → 5K
24:15 | 7:48/mi
10K· 6.21 mi
48:20
Rank: #12705 (+427)
5K → 10K
24:05 | 7:45/mi
15K· 9.32 mi
1:12:16
Rank: #12156 (+549)
10K → 15K
23:56 | 7:42/mi
20K· 12.43 mi
1:36:26
Rank: #11601 (+555)
15K → 20K
24:10 | 7:47/mi
Half· 13.11 mi
1:41:43
Rank: #11545 (+56)
20K → Half
5:17 | 7:45/mi
25K· 15.53 mi
2:00:42
Rank: #11082 (+463)
Half → 25K
18:59 | 7:50/mi
30K· 18.64 mi
2:26:09
Rank: #10551 (+531)
25K → 30K
25:27 | 8:11/mi
20M
2:37:42
Rank: #10398 (+153)
30K → 20M
11:33 | 8:30/mi
21M
2:46:56
Rank: #10286 (+112)
20M → 21M
9:14 | 9:14/mi
35K· 21.75 mi
2:53:02
Rank: #10190 (+96)
21M → 35K
6:06 | 8:09/mi
23M
3:03:20
Rank: #9927 (+263)
35K → 23M
10:18 | 8:14/mi
24M
3:11:27
Rank: #9755 (+172)
23M → 24M
8:07 | 8:07/mi
40K· 24.85 mi
3:18:23
Rank: #9591 (+164)
24M → 40K
6:56 | 8:07/mi
25.2M
3:21:39
Rank: #9544 (+47)
40K → 25.2M
3:16 | 9:28/mi
Finish· 26.22 mi
3:29:24
Rank: #9398 (+146)
25.2M → Finish
7:45 | 7:36/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:41:43
Pace7:46 /mi
2nd Half
Distance13.11 mi
Time1:47:41
Pace8:13 /mi
📊Positive Split: 5.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:57:2324:157:4824:15
7:48
-
10K
6.21 mi11:21:2848:207:4724:05
7:45
-0:03
15K
9.32 mi11:45:241:12:167:4523:56
7:42
-0:03
20K
12.43 mi12:09:341:36:267:4624:10
7:47
+0:05
Half
13.11 mi12:14:511:41:437:465:17
7:45
-0:02
25K
15.53 mi12:33:502:00:427:4618:59
7:50
+0:05
30K
18.64 mi12:59:172:26:097:5025:27
8:11
+0:21
20M
20.00 mi13:10:502:37:427:5311:33
8:30
+0:19
21M
21.00 mi13:20:042:46:567:579:14
9:14
+0:44
35K
21.75 mi13:26:102:53:027:576:06
8:09
-1:05
23M
23.00 mi13:36:283:03:207:5810:18
8:14
+0:05
24M
24.00 mi13:44:353:11:277:598:07
8:07
-0:07
40K
24.85 mi13:51:313:18:237:596:56
8:07
0:00
25.2M
25.20 mi13:54:473:21:398:003:16
9:28
+1:21
Finish
26.22 mi14:02:323:29:248:007:45
7:36
-1:52

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

7:36 /mi

Average Pace

8:00 /mi

Slowest Pace

9:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:08:27

61% of race

Time at Steady Pace

56:54

27% of race

Time at Slower Pace

24:03

11% of race

Average Pace: 7:59 /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 mi10:57:2324:157:4824:15
7:48
#13132
10K
6.21 mi11:21:2848:207:4724:05
7:45
#12705
15K
9.32 mi11:45:241:12:167:4523:56
7:42
#12156
20K
12.43 mi12:09:341:36:267:4624:10
7:47
#11601
Half
13.11 mi12:14:511:41:437:465:17
7:45
#11545
25K
15.53 mi12:33:502:00:427:4618:59
7:50
#11082
30K
18.64 mi12:59:172:26:097:5025:27
8:11
#10551
20M
20.00 mi13:10:502:37:427:5311:33
8:30
#10398
21M
21.00 mi13:20:042:46:567:579:14
9:14
#10286
35K
21.75 mi13:26:102:53:027:576:06
8:09
#10190
23M
23.00 mi13:36:283:03:207:5810:18
8:14
#9927
24M
24.00 mi13:44:353:11:277:598:07
8:07
#9755
40K
24.85 mi13:51:313:18:237:596:56
8:07
#9591
25.2M
25.20 mi13:54:473:21:398:003:16
9:28
#9544
Finish
26.22 mi14:02:323:29:248:007:45
7:36
#9398
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi131323794379411224(Top 44%)2802(Top 26%)2802(Top 60%)
10K6.21 mi3.10 mi12705+4273563+2313563+23112257(Top 48%)3321(Top 30%)3321(Top 71%)
15K9.32 mi3.11 mi12156+5493284+2793284+27911224(Top 44%)2802(Top 26%)2802(Top 60%)
20K12.43 mi3.11 mi11601+5553000+2843000+28410287(Top 40%)2478(Top 23%)2478(Top 53%)
Half13.11 mi0.68 mi11545+562966+342966+3410939(Top 43%)2759(Top 25%)2759(Top 59%)
25K15.53 mi2.42 mi11082+4632768+1982768+1989135(Top 36%)2072(Top 19%)2072(Top 44%)
30K18.64 mi3.11 mi10551+5312594+1742594+1748969(Top 35%)2198(Top 20%)2198(Top 47%)
20M20.00 mi1.36 mi10398+1532579+152579+159450(Top 37%)2673(Top 24%)2673(Top 57%)
21M21.00 mi1.00 mi10286+1122574+52574+59647(Top 38%)3030(Top 28%)3030(Top 65%)
35K21.75 mi0.75 mi10190+962558+162558+168742(Top 34%)2573(Top 24%)2573(Top 55%)
23M23.00 mi1.25 mi9927+2632497+612497+616974(Top 27%)1890(Top 17%)1890(Top 41%)
24M24.00 mi1.00 mi9755+1722456+412456+417315(Top 29%)2154(Top 20%)2154(Top 46%)
40K24.85 mi0.85 mi9591+1642414+422414+426348(Top 25%)1814(Top 17%)1814(Top 39%)
25.2M25.20 mi0.35 mi9544+47241424148648(Top 34%)2972(Top 27%)2972(Top 64%)
Finish26.22 mi1.02 mi9398+1462375+392375+396217(Top 24%)1756(Top 16%)1756(Top 38%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

11224

Females

2802

F18-39

2802

5K→10K

3.1 - 6.2 mi

Top 48%
×5stories
+79ft-138ft

Overall

12257

Females

3321

F18-39

3321

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

11224

Females

2802

F18-39

2802

15K→20K

9.3 - 12.4 mi

Top 40%
×5stories
+106ft-86ft

Overall

10287

Females

2478

F18-39

2478

20K→Half

12.4 - 13.1 mi

Top 43%
×2stories
+19ft-37ft

Overall

10939

Females

2759

F18-39

2759

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9135

Females

2072

F18-39

2072

25K→30K

15.5 - 18.6 mi

Top 35%
×9stories
+181ft-148ft

Overall

8969

Females

2198

F18-39

2198

30K→20M

18.6 - 20.0 mi

Top 37%
×5stories
+64ft-50ft

Overall

9450

Females

2673

F18-39

2673

20M→21M

20.0 - 21.0 mi

Top 38%
×8stories
+106ft-24ft

Overall

9647

Females

3030

F18-39

3030

21M→35K

21.0 - 21.8 mi

Top 34%
×7stories
+17ft-86ft

Overall

8742

Females

2573

F18-39

2573

35K→23M

21.8 - 23.0 mi

Top 27%
×5stories
+23ft-63ft

Overall

6974

Females

1890

F18-39

1890

23M→24M

23.0 - 24.0 mi

Top 29%
×6stories
+12ft-82ft

Overall

7315

Females

2154

F18-39

2154

24M→40K

24.0 - 24.9 mi

Top 25%
×1story
+6ft-20ft

Overall

6348

Females

1814

F18-39

1814

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

8648

Females

2972

F18-39

2972

25.2M→Finish

25.2 - 26.2 mi

Top 24%
×2stories
+22ft-21ft

Overall

6217

Females

1756

F18-39

1756

Passing Analysis

Category:
Athletes Passed
4238*
Passed By
504
Net Change
+3734
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#13132
5K → 10K541114+427#13132#12705
10K → 15K57627+549#12705#12156
15K → 20K57722+555#12156#11601
20K → Half7115+56#11601#11545
Half → 25K48219+463#11545#11082
25K → 30K58352+531#11082#10551
30K → 20M21360+153#10551#10398
20M → 21M18876+112#10398#10286
21M → 35K12226+96#10286#10190
35K → 23M285*22+263#10190#9927
23M → 24M192*20+172#9927#9755
24M → 40K1706+164#9755#9591
40K → 25.2M7225+47#9591#9544
25.2M → Finish16620+146#9544#9398
TOTALS4238*504+3734

* 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