Boston Marathon logo
BOSTON MARATHON 2024

Jennifer Welsh

Bib: 19137•F

WI

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Division (F40-44)
#0 / 1613
Race Day Weather
55°/45°F
scattered clouds

⏱️ 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
8:17/mi
25:44
↑ 97↓ 3451.5%
10K· 6.21 mi
9:23/mi
54:53
↑ 79↓ 1380.4%
15K· 9.32 mi
10:23/mi
1:27:10
↑ 67↓ 78
20K· 12.43 mi
10:52/mi
2:00:55
↑ 106↓ 860.1%
Half· 13.11 mi
9:05/mi
2:07:07
↑ 19↓ 370.5%
25K· 15.53 mi
11:11/mi
2:34:14
↑ 66↓ 880.2%
30K· 18.64 mi
11:42/mi
3:10:34
↑ 181↓ 1480.2%
20M
10:28/mi
3:24:48
↑ 64↓ 500.2%
21M
12:32/mi
3:37:20
↑ 106↓ 241.6%
35K· 21.75 mi
9:51/mi
3:44:42
↑ 17↓ 861.7%
23M
9:21/mi
3:56:25
↑ 23↓ 630.6%
24M
9:08/mi
4:05:33
↓ 821.3%
40K· 24.85 mi
9:07/mi
4:13:21
↓ 200.3%
25.2M
9:28/mi
4:16:37
↑ 13↓ 160.2%
Finish· 26.22 mi
8:07/mi
4:24:53
↑ 22↓ 21

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
Time2:07:07
Pace9:42 /mi
2nd Half
Distance13.11 mi
Time2:17:46
Pace10:31 /mi
📊Positive Split: 8.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:18:1525:448:1725:44
8:17
-
10K
6.21 mi11:47:2454:538:5029:09
9:23
+1:06
15K
9.32 mi12:19:411:27:109:2132:17
10:23
+1:00
20K
12.43 mi12:53:262:00:559:4433:45
10:52
+0:29
Half
13.11 mi12:59:382:07:079:426:12
9:05
-1:47
25K
15.53 mi13:26:452:34:149:5627:07
11:11
+2:06
30K
18.64 mi14:03:053:10:3410:1336:20
11:42
+0:31
20M
20.00 mi14:17:193:24:4810:1414:14
10:28
-1:14
21M
21.00 mi14:29:513:37:2010:2112:32
12:32
+2:04
35K
21.75 mi14:37:133:44:4210:207:22
9:51
-2:41
23M
23.00 mi14:48:563:56:2510:1711:43
9:21
-0:30
24M
24.00 mi14:58:044:05:3310:149:08
9:08
-0:13
40K
24.85 mi15:05:524:13:2110:127:48
9:07
-0:01
25.2M
25.20 mi15:09:084:16:3710:113:16
9:28
+0:21
Finish
26.22 mi15:17:244:24:5310:078:16
8:07
-1:21

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

8:07 /mi

Average Pace

10:07 /mi

Slowest Pace

12:32 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

34:00

13% of race

Time at Steady Pace

1:14:38

28% of race

Time at Slower Pace

2:36:15

59% of race

Average Pace: 10:06 /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 mi11:18:1525:448:1725:44
8:17
#16560
10K
6.21 mi11:47:2454:538:5029:09
9:23
#19198
15K
9.32 mi12:19:411:27:109:2132:17
10:23
#20791
20K
12.43 mi12:53:262:00:559:4433:45
10:52
#21268
Half
13.11 mi12:59:382:07:079:426:12
9:05
#21168
25K
15.53 mi13:26:452:34:149:5627:07
11:11
#21282
30K
18.64 mi14:03:053:10:3410:1336:20
11:42
#21294
20M
20.00 mi14:17:193:24:4810:1414:14
10:28
#21062
21M
21.00 mi14:29:513:37:2010:2112:32
12:32
#21009
35K
21.75 mi14:37:133:44:4210:207:22
9:51
#20872
23M
23.00 mi14:48:563:56:2510:1711:43
9:21
#20514
24M
24.00 mi14:58:044:05:3310:149:08
9:08
#20227
40K
24.85 mi15:05:524:13:2110:127:48
9:07
#19965
25.2M
25.20 mi15:09:084:16:3710:113:16
9:28
#19816
Finish
26.22 mi15:17:244:24:5310:078:16
8:07
#19525
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi165605906590622729(Top 89%)9284(Top 85%)9284(Top 576%)
10K6.21 mi3.10 mi19198-26387431-15257431-152521043(Top 82%)8393(Top 77%)8393(Top 520%)
15K9.32 mi3.11 mi20791-15938246-8158246-81522729(Top 89%)9284(Top 85%)9284(Top 576%)
20K12.43 mi3.11 mi21268-4778500-2548500-25422381(Top 88%)9120(Top 83%)9120(Top 565%)
Half13.11 mi0.68 mi21168+1008439+618439+6118702(Top 73%)7177(Top 66%)7177(Top 445%)
25K15.53 mi2.42 mi21282-1148521-828521-8221842(Top 85%)8904(Top 82%)8904(Top 552%)
30K18.64 mi3.11 mi21294-128584-638584-6321405(Top 84%)8847(Top 81%)8847(Top 548%)
20M20.00 mi1.36 mi21062+2328495+898495+8917926(Top 70%)7170(Top 66%)7170(Top 445%)
21M21.00 mi1.00 mi21009+538492+38492+319933(Top 78%)8290(Top 76%)8290(Top 514%)
35K21.75 mi0.75 mi20872+1378436+568436+5616700(Top 65%)6711(Top 61%)6711(Top 416%)
23M23.00 mi1.25 mi20514+3588274+1628274+16212898(Top 50%)4861(Top 44%)4861(Top 301%)
24M24.00 mi1.00 mi20227+2878136+1388136+13812833(Top 50%)4852(Top 44%)4852(Top 301%)
40K24.85 mi0.85 mi19965+2628008+1288008+12811470(Top 45%)4293(Top 39%)4293(Top 266%)
25.2M25.20 mi0.35 mi19816+1497931+777931+778724(Top 34%)3048(Top 28%)3048(Top 189%)
Finish26.22 mi1.02 mi19525+2917806+1257806+1259305(Top 36%)3205(Top 29%)3205(Top 199%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

22729

Females

9284

F40-44

9284

5K→10K

3.1 - 6.2 mi

Top 82%
×5story building
+79ft-138ft

Overall

21043

Females

8393

F40-44

8393

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

22729

Females

9284

F40-44

9284

15K→20K

9.3 - 12.4 mi

Top 88%
×5story building
+106ft-86ft

Overall

22381

Females

9120

F40-44

9120

20K→Half

12.4 - 13.1 mi

Top 73%
×2story building
+19ft-37ft

Overall

18702

Females

7177

F40-44

7177

Half→25K

13.1 - 15.5 mi

Top 85%
×4story building
+66ft-88ft

Overall

21842

Females

8904

F40-44

8904

25K→30K

15.5 - 18.6 mi

Top 84%
×9story building
+181ft-148ft

Overall

21405

Females

8847

F40-44

8847

30K→20M

18.6 - 20.0 mi

Top 70%
×5story building
+64ft-50ft

Overall

17926

Females

7170

F40-44

7170

20M→21M

20.0 - 21.0 mi

Top 78%
×8story building
+106ft-24ft

Overall

19933

Females

8290

F40-44

8290

21M→35K

21.0 - 21.8 mi

Top 65%
×7story building
+17ft-86ft

Overall

16700

Females

6711

F40-44

6711

35K→23M

21.8 - 23.0 mi

Top 50%
×5story building
+23ft-63ft

Overall

12898

Females

4861

F40-44

4861

23M→24M

23.0 - 24.0 mi

Top 50%
×6story building
+12ft-82ft

Overall

12833

Females

4852

F40-44

4852

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11470

Females

4293

F40-44

4293

40K→25.2M

24.9 - 25.2 mi

Top 34%
×1story
+13ft-16ft

Overall

8724

Females

3048

F40-44

3048

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

9305

Females

3205

F40-44

3205

Passing Analysis

Category:
Athletes Passed
2280
Passed By
5245
Net Change
-2965
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#16560
5K → 10K32641-2638#16560#19198
10K → 15K191612-1593#19198#20791
15K → 20K62539-477#20791#21268
20K → Half1000+100#21268#21168
Half → 25K109223-114#21168#21282
25K → 30K167179-12#21282#21294
30K → 20M2320+232#21294#21062
20M → 21M10249+53#21062#21009
21M → 35K1392+137#21009#20872
35K → 23M3580+358#20872#20514
23M → 24M2870+287#20514#20227
24M → 40K2620+262#20227#19965
40K → 25.2M1490+149#19965#19816
25.2M → Finish2910+291#19816#19525
TOTALS22805245-2965
📊

Passing Visuals

Category:
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

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing