Boston Marathon logo
BOSTON MARATHON 2024

Gwen Jacobson

Bib: 8962•F

MN

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Top 42%
Gender (Female)
#0 / 10924
Top 28%
Masters (Masters Women)
#0 / 6263
Top 15%
Division (F65-69)
#0 / 216
Top 2%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
22:43
Rank: #9290
Start → 5K
22:43 | 7:19/mi
10K· 6.21 mi
46:05
Rank: #9763 (-473)
5K → 10K
23:22 | 7:31/mi
15K· 9.32 mi
1:10:00
Rank: #10265 (-502)
10K → 15K
23:55 | 7:42/mi
20K· 12.43 mi
1:34:43
Rank: #10560 (-295)
15K → 20K
24:43 | 7:57/mi
Half· 13.11 mi
1:40:04
Rank: #10601 (-41)
20K → Half
5:21 | 7:50/mi
25K· 15.53 mi
2:01:12
Rank: #11295 (-694)
Half → 25K
21:08 | 8:43/mi
30K· 18.64 mi
2:28:45
Rank: #11513 (-218)
25K → 30K
27:33 | 8:52/mi
20M
2:40:50
Rank: #11497 (+16)
30K → 20M
12:05 | 8:54/mi
21M
2:50:33
Rank: #11464 (+33)
20M → 21M
9:43 | 9:43/mi
35K· 21.75 mi
2:56:45
Rank: #11354 (+110)
21M → 35K
6:12 | 8:17/mi
23M
3:07:19
Rank: #11094 (+260)
35K → 23M
10:34 | 8:26/mi
24M
3:15:25
Rank: #10860 (+234)
23M → 24M
8:06 | 8:06/mi
40K· 24.85 mi
3:22:37
Rank: #10700 (+160)
24M → 40K
7:12 | 8:25/mi
25.2M
3:25:55
Rank: #10658 (+42)
40K → 25.2M
3:18 | 9:34/mi
Finish· 26.22 mi
3:34:34
Rank: #10663 (-5)
25.2M → Finish
8:39 | 8:29/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
Time1:40:04
Pace7:38 /mi
2nd Half
Distance13.11 mi
Time1:54:30
Pace8:44 /mi
📊Positive Split: 14.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:47:5122:437:1922:43
7:19
-
10K
6.21 mi11:11:1346:057:2523:22
7:31
+0:12
15K
9.32 mi11:35:081:10:007:3123:55
7:42
+0:11
20K
12.43 mi11:59:511:34:437:3724:43
7:57
+0:15
Half
13.11 mi12:05:121:40:047:385:21
7:50
-0:07
25K
15.53 mi12:26:202:01:127:4821:08
8:43
+0:53
30K
18.64 mi12:53:532:28:457:5927:33
8:52
+0:09
20M
20.00 mi13:05:582:40:508:0212:05
8:54
+0:02
21M
21.00 mi13:15:412:50:338:079:43
9:43
+0:49
35K
21.75 mi13:21:532:56:458:086:12
8:17
-1:26
23M
23.00 mi13:32:273:07:198:0910:34
8:26
+0:09
24M
24.00 mi13:40:333:15:258:098:06
8:06
-0:20
40K
24.85 mi13:47:453:22:378:097:12
8:25
+0:19
25.2M
25.20 mi13:51:033:25:558:103:18
9:34
+1:09
Finish
26.22 mi13:59:423:34:348:118:39
8:29
-1:05

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

7:19 /mi

Average Pace

8:11 /mi

Slowest Pace

9:43 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:40:04

47% of race

Time at Steady Pace

1:01:51

29% of race

Time at Slower Pace

52:39

25% of race

Average Pace: 8:11 /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 mi10:47:5122:437:1922:43
7:19
#9290
10K
6.21 mi11:11:1346:057:2523:22
7:31
#9763
15K
9.32 mi11:35:081:10:007:3123:55
7:42
#10265
20K
12.43 mi11:59:511:34:437:3724:43
7:57
#10560
Half
13.11 mi12:05:121:40:047:385:21
7:50
#10601
25K
15.53 mi12:26:202:01:127:4821:08
8:43
#11295
30K
18.64 mi12:53:532:28:457:5927:33
8:52
#11513
20M
20.00 mi13:05:582:40:508:0212:05
8:54
#11497
21M
21.00 mi13:15:412:50:338:079:43
9:43
#11464
35K
21.75 mi13:21:532:56:458:086:12
8:17
#11354
23M
23.00 mi13:32:273:07:198:0910:34
8:26
#11094
24M
24.00 mi13:40:333:15:258:098:06
8:06
#10860
40K
24.85 mi13:47:453:22:378:097:12
8:25
#10700
25.2M
25.20 mi13:51:033:25:558:103:18
9:34
#10658
Finish
26.22 mi13:59:423:34:348:118:39
8:29
#10663
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF65-69Seg. OverallSeg. FemalesSeg. F65-69
5K3.11 mi3.11 mi92901704170411201(Top 44%)2791(Top 26%)2791(Top 1292%)
10K6.21 mi3.10 mi9763-4731935-2311935-23110463(Top 41%)2337(Top 21%)2337(Top 1082%)
15K9.32 mi3.11 mi10265-5022227-2922227-29211201(Top 44%)2791(Top 26%)2791(Top 1292%)
20K12.43 mi3.11 mi10560-2952428-2012428-20111540(Top 45%)3083(Top 28%)3083(Top 1427%)
Half13.11 mi0.68 mi10601-412461-332461-3311690(Top 46%)3171(Top 29%)3171(Top 1468%)
25K15.53 mi2.42 mi11295-6942885-4242885-42414153(Top 55%)4686(Top 43%)4686(Top 2169%)
30K18.64 mi3.11 mi11513-2183098-2133098-21312559(Top 49%)4033(Top 37%)4033(Top 1867%)
20M20.00 mi1.36 mi11497+163133-353133-3511571(Top 45%)3798(Top 35%)3798(Top 1758%)
21M21.00 mi1.00 mi11464+333175-423175-4211782(Top 46%)4143(Top 38%)4143(Top 1918%)
35K21.75 mi0.75 mi11354+1103147+283147+289524(Top 37%)2972(Top 27%)2972(Top 1376%)
23M23.00 mi1.25 mi11094+2603083+643083+648165(Top 32%)2469(Top 23%)2469(Top 1143%)
24M24.00 mi1.00 mi10860+2343000+833000+837226(Top 28%)2116(Top 19%)2116(Top 980%)
40K24.85 mi0.85 mi10700+1602978+222978+227989(Top 31%)2591(Top 24%)2591(Top 1200%)
25.2M25.20 mi0.35 mi10658+422980-22980-29064(Top 35%)3182(Top 29%)3182(Top 1473%)
Finish26.22 mi1.02 mi10663-53027-473027-4711457(Top 45%)4198(Top 38%)4198(Top 1944%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 44%
×21stories
+97ft-345ft

Overall

11201

Females

2791

F65-69

2791

5K→10K

3.1 - 6.2 mi

Top 41%
×5stories
+79ft-138ft

Overall

10463

Females

2337

F65-69

2337

10K→15K

6.2 - 9.3 mi

Top 44%
×3stories
+67ft-78ft

Overall

11201

Females

2791

F65-69

2791

15K→20K

9.3 - 12.4 mi

Top 45%
×5stories
+106ft-86ft

Overall

11540

Females

3083

F65-69

3083

20K→Half

12.4 - 13.1 mi

Top 46%
×2stories
+19ft-37ft

Overall

11690

Females

3171

F65-69

3171

Half→25K

13.1 - 15.5 mi

Top 55%
×4stories
+66ft-88ft

Overall

14153

Females

4686

F65-69

4686

25K→30K

15.5 - 18.6 mi

Top 49%
×9stories
+181ft-148ft

Overall

12559

Females

4033

F65-69

4033

30K→20M

18.6 - 20.0 mi

Top 45%
×5stories
+64ft-50ft

Overall

11571

Females

3798

F65-69

3798

20M→21M

20.0 - 21.0 mi

Top 46%
×8stories
+106ft-24ft

Overall

11782

Females

4143

F65-69

4143

21M→35K

21.0 - 21.8 mi

Top 37%
×7stories
+17ft-86ft

Overall

9524

Females

2972

F65-69

2972

35K→23M

21.8 - 23.0 mi

Top 32%
×5stories
+23ft-63ft

Overall

8165

Females

2469

F65-69

2469

23M→24M

23.0 - 24.0 mi

Top 28%
×6stories
+12ft-82ft

Overall

7226

Females

2116

F65-69

2116

24M→40K

24.0 - 24.9 mi

Top 31%
×1story
+6ft-20ft

Overall

7989

Females

2591

F65-69

2591

40K→25.2M

24.9 - 25.2 mi

Top 35%
×1story
+13ft-16ft

Overall

9064

Females

3182

F65-69

3182

25.2M→Finish

25.2 - 26.2 mi

Top 45%
×2stories
+22ft-21ft

Overall

11457

Females

4198

F65-69

4198

Passing Analysis

Category:
Athletes Passed
1948*
Passed By
3319
Net Change
-1373
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9290
5K → 10K114587-473#9290#9763
10K → 15K74574-502#9763#10265
15K → 20K134429-295#10265#10560
20K → Half3475-41#10560#10601
Half → 25K84778-694#10601#11295
25K → 30K223441-218#11295#11513
30K → 20M152136+16#11513#11497
20M → 21M152119+33#11497#11464
21M → 35K13626+110#11464#11354
35K → 23M27717+260#11354#11094
23M → 24M24511+234#11094#10860
24M → 40K175*15+160#10860#10700
40K → 25.2M6422+42#10700#10658
25.2M → Finish8489-5#10658#10663
TOTALS1948*3319-1373

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

📊

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