Boston Marathon logo
BOSTON MARATHON 2024

Rachel Boswell

Bib: 3409•F

0:00
0:00
/ mi
Be the first to cheer!
Overall
#0 / 25550
Top 9%
Gender (Female)
#0 / 10924
Top 1%
Division (F18-39)
#0 / 4660
Top 2%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:18
Rank: #3550
Start → 5K
20:18 | 6:32/mi
10K· 6.21 mi
40:54
Rank: #3653 (-103)
5K → 10K
20:36 | 6:38/mi
15K· 9.32 mi
1:01:34
Rank: #3620 (+33)
10K → 15K
20:40 | 6:39/mi
20K· 12.43 mi
1:22:23
Rank: #3467 (+153)
15K → 20K
20:49 | 6:42/mi
Half· 13.11 mi
1:26:56
Rank: #3463 (+4)
20K → Half
4:33 | 6:40/mi
25K· 15.53 mi
1:43:14
Rank: #3275 (+188)
Half → 25K
16:18 | 6:43/mi
30K· 18.64 mi
2:04:36
Rank: #2967 (+308)
25K → 30K
21:22 | 6:53/mi
20M
2:14:03
Rank: #2855 (+112)
30K → 20M
9:27 | 6:57/mi
21M
2:21:27
Rank: #2750 (+105)
20M → 21M
7:24 | 7:24/mi
35K· 21.75 mi
2:26:26
Rank: #2672 (+78)
21M → 35K
4:59 | 6:40/mi
23M
2:35:11
Rank: #2553 (+119)
35K → 23M
8:45 | 6:59/mi
24M
2:41:58
Rank: #2458 (+95)
23M → 24M
6:47 | 6:47/mi
40K· 24.85 mi
2:47:53
Rank: #2379 (+79)
24M → 40K
5:55 | 6:55/mi
25.2M
2:50:32
Rank: #2346 (+33)
40K → 25.2M
2:39 | 7:41/mi
Finish· 26.22 mi
2:57:25
Rank: #2298 (+48)
25.2M → Finish
6:53 | 6:45/mi

The Course

Is this your race?

Claim it — unlock a deeper AI report on this race, free

A personalized Race Performance Report that goes beyond this page — emailed to you, built from your real splits.

Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:56
Pace6:38 /mi
2nd Half
Distance13.11 mi
Time1:30:29
Pace6:54 /mi
📊Positive Split: 4.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:22:5320:186:3220:18
6:32
-
10K
6.21 mi10:43:2940:546:3520:36
6:38
+0:06
15K
9.32 mi11:04:091:01:346:3620:40
6:39
+0:01
20K
12.43 mi11:24:581:22:236:3820:49
6:42
+0:03
Half
13.11 mi11:29:311:26:566:384:33
6:40
-0:02
25K
15.53 mi11:45:491:43:146:3916:18
6:43
+0:03
30K
18.64 mi12:07:112:04:366:4121:22
6:53
+0:10
20M
20.00 mi12:16:382:14:036:429:27
6:57
+0:04
21M
21.00 mi12:24:022:21:276:447:24
7:24
+0:27
35K
21.75 mi12:29:012:26:266:444:59
6:40
-0:44
23M
23.00 mi12:37:462:35:116:458:45
6:59
+0:19
24M
24.00 mi12:44:332:41:586:456:47
6:47
-0:12
40K
24.85 mi12:50:282:47:536:455:55
6:55
+0:08
25.2M
25.20 mi12:53:072:50:326:462:39
7:41
+0:46
Finish
26.22 mi13:00:002:57:256:466:53
6:45
-0:56

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

6:32 /mi

Average Pace

6:46 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:47:22

94% of race

Time at Steady Pace

10:03

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:46 /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 mi10:22:5320:186:3220:18
6:32
#3550
10K
6.21 mi10:43:2940:546:3520:36
6:38
#3653
15K
9.32 mi11:04:091:01:346:3620:40
6:39
#3620
20K
12.43 mi11:24:581:22:236:3820:49
6:42
#3467
Half
13.11 mi11:29:311:26:566:384:33
6:40
#3463
25K
15.53 mi11:45:491:43:146:3916:18
6:43
#3275
30K
18.64 mi12:07:112:04:366:4121:22
6:53
#2967
20M
20.00 mi12:16:382:14:036:429:27
6:57
#2855
21M
21.00 mi12:24:022:21:276:447:24
7:24
#2750
35K
21.75 mi12:29:012:26:266:444:59
6:40
#2672
23M
23.00 mi12:37:462:35:116:458:45
6:59
#2553
24M
24.00 mi12:44:332:41:586:456:47
6:47
#2458
40K
24.85 mi12:50:282:47:536:455:55
6:55
#2379
25.2M
25.20 mi12:53:072:50:326:462:39
7:41
#2346
Finish
26.22 mi13:00:002:57:256:466:53
6:45
#2298
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi35501691693602(Top 14%)187(Top 2%)187(Top 4%)
10K6.21 mi3.10 mi3653-103179-10179-103839(Top 15%)212(Top 2%)212(Top 5%)
15K9.32 mi3.11 mi3620+33175+4175+43602(Top 14%)187(Top 2%)187(Top 4%)
20K12.43 mi3.11 mi3467+153165+10165+103227(Top 13%)155(Top 1%)155(Top 3%)
Half13.11 mi0.68 mi3463+41651653624(Top 14%)195(Top 2%)195(Top 4%)
25K15.53 mi2.42 mi3275+188156+9156+92786(Top 11%)148(Top 1%)148(Top 3%)
30K18.64 mi3.11 mi2967+308146+10146+102280(Top 9%)123(Top 1%)123(Top 3%)
20M20.00 mi1.36 mi2855+112143+3143+32171(Top 8%)127(Top 1%)127(Top 3%)
21M21.00 mi1.00 mi2750+105141+2141+22217(Top 9%)166(Top 2%)166(Top 4%)
35K21.75 mi0.75 mi2672+78138+3138+31793(Top 7%)124(Top 1%)124(Top 3%)
23M23.00 mi1.25 mi2553+119129+9129+91919(Top 8%)150(Top 1%)150(Top 3%)
24M24.00 mi1.00 mi2458+95127+2127+21657(Top 6%)132(Top 1%)132(Top 3%)
40K24.85 mi0.85 mi2379+79128-1128-11655(Top 6%)141(Top 1%)141(Top 3%)
25.2M25.20 mi0.35 mi2346+33129-1129-11907(Top 7%)206(Top 2%)206(Top 4%)
Finish26.22 mi1.02 mi2298+48132-3132-32194(Top 9%)277(Top 3%)277(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

3602

Females

187

F18-39

187

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

3839

Females

212

F18-39

212

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

3602

Females

187

F18-39

187

15K→20K

9.3 - 12.4 mi

Top 13%
×5stories
+106ft-86ft

Overall

3227

Females

155

F18-39

155

20K→Half

12.4 - 13.1 mi

Top 14%
×2stories
+19ft-37ft

Overall

3624

Females

195

F18-39

195

Half→25K

13.1 - 15.5 mi

Top 11%
×4stories
+66ft-88ft

Overall

2786

Females

148

F18-39

148

25K→30K

15.5 - 18.6 mi

Top 9%
×9stories
+181ft-148ft

Overall

2280

Females

123

F18-39

123

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2171

Females

127

F18-39

127

20M→21M

20.0 - 21.0 mi

Top 9%
×8stories
+106ft-24ft

Overall

2217

Females

166

F18-39

166

21M→35K

21.0 - 21.8 mi

Top 7%
×7stories
+17ft-86ft

Overall

1793

Females

124

F18-39

124

35K→23M

21.8 - 23.0 mi

Top 8%
×5stories
+23ft-63ft

Overall

1919

Females

150

F18-39

150

23M→24M

23.0 - 24.0 mi

Top 6%
×6stories
+12ft-82ft

Overall

1657

Females

132

F18-39

132

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1655

Females

141

F18-39

141

40K→25.2M

24.9 - 25.2 mi

Top 7%
×1story
+13ft-16ft

Overall

1907

Females

206

F18-39

206

25.2M→Finish

25.2 - 26.2 mi

Top 9%
×2stories
+22ft-21ft

Overall

2194

Females

277

F18-39

277

Passing Analysis

Category:
Athletes Passed
1782
Passed By
530
Net Change
+1252
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#3550
5K → 10K105208-103#3550#3653
10K → 15K134101+33#3653#3620
15K → 20K20350+153#3620#3467
20K → Half2420+4#3467#3463
Half → 25K21426+188#3463#3275
25K → 30K33729+308#3275#2967
30K → 20M13321+112#2967#2855
20M → 21M12621+105#2855#2750
21M → 35K879+78#2750#2672
35K → 23M1245+119#2672#2553
23M → 24M1005+95#2553#2458
24M → 40K889+79#2458#2379
40K → 25.2M396+33#2379#2346
25.2M → Finish6820+48#2346#2298
TOTALS1782530+1252
📊

Passing Visuals

Category:
Loading...

🔥Passing Intensity

Loading...

🔄Passing Circle

Loading...

🌊Position Flow

Loading...

🏃Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support
Share Feedback

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing