Boston Marathon logo
BOSTON MARATHON 2024

Jessica Cronin

Bib: 25104•F

MA

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
11:37/mi
36:04
↑ 97↓ 3451.5%
10K· 6.21 mi
12:13/mi
1:14:00
↑ 79↓ 1380.4%
15K· 9.32 mi
12:56/mi
1:54:11
↑ 67↓ 78
20K· 12.43 mi
13:24/mi
2:35:48
↑ 106↓ 860.1%
Half· 13.11 mi
12:00/mi
2:43:59
↑ 19↓ 370.5%
25K· 15.53 mi
14:34/mi
3:19:17
↑ 66↓ 880.2%
30K· 18.64 mi
14:41/mi
4:04:54
↑ 181↓ 1480.2%
20M
14:06/mi
4:24:04
↑ 64↓ 500.2%
21M
14:48/mi
4:38:52
↑ 106↓ 241.6%
35K· 21.75 mi
13:34/mi
4:49:01
↑ 17↓ 861.7%
23M
13:37/mi
5:06:04
↑ 23↓ 630.6%
24M
12:56/mi
5:19:00
↓ 821.3%
40K· 24.85 mi
14:22/mi
5:31:17
↓ 200.3%
25.2M
18:25/mi
5:37:38
↑ 13↓ 160.2%
Finish· 26.22 mi
12:59/mi
5:50:52
↑ 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
Time2:43:59
Pace12:31 /mi
2nd Half
Distance13.11 mi
Time3:06:53
Pace14:15 /mi
📊Positive Split: 14.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2736:0411:3736:04
11:37
-
10K
6.21 mi12:30:231:14:0011:5537:56
12:13
+0:36
15K
9.32 mi13:10:341:54:1112:1540:11
12:56
+0:43
20K
12.43 mi13:52:112:35:4812:3241:37
13:24
+0:28
Half
13.11 mi14:00:222:43:5912:318:11
12:00
-1:24
25K
15.53 mi14:35:403:19:1712:5035:18
14:34
+2:34
30K
18.64 mi15:21:174:04:5413:0845:37
14:41
+0:07
20M
20.00 mi15:40:274:24:0413:1219:10
14:06
-0:35
21M
21.00 mi15:55:154:38:5213:1714:48
14:48
+0:42
35K
21.75 mi16:05:244:49:0113:1710:09
13:34
-1:14
23M
23.00 mi16:22:275:06:0413:1817:03
13:37
+0:03
24M
24.00 mi16:35:235:19:0013:1812:56
12:56
-0:41
40K
24.85 mi16:47:405:31:1713:2012:17
14:22
+1:26
25.2M
25.20 mi16:54:015:37:3813:246:21
18:25
+4:03
Finish
26.22 mi17:07:155:50:5213:2413:14
12:59
-5:26

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

11:37 /mi

Average Pace

13:24 /mi

Slowest Pace

18:25 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:11

23% of race

Time at Steady Pace

2:34:20

44% of race

Time at Slower Pace

1:54:21

33% of race

Average Pace: 13:23 /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 mi11:52:2736:0411:3736:04
11:37
#25268
10K
6.21 mi12:30:231:14:0011:5537:56
12:13
#25280
15K
9.32 mi13:10:341:54:1112:1540:11
12:56
#25287
20K
12.43 mi13:52:112:35:4812:3241:37
13:24
#25290
Half
13.11 mi14:00:222:43:5912:318:11
12:00
#25266
25K
15.53 mi14:35:403:19:1712:5035:18
14:34
#25292
30K
18.64 mi15:21:174:04:5413:0845:37
14:41
#25232
20M
20.00 mi15:40:274:24:0413:1219:10
14:06
#25212
21M
21.00 mi15:55:154:38:5213:1714:48
14:48
#25181
35K
21.75 mi16:05:244:49:0113:1710:09
13:34
#25164
23M
23.00 mi16:22:275:06:0413:1817:03
13:37
#25113
24M
24.00 mi16:35:235:19:0013:1812:56
12:56
#25067
40K
24.85 mi16:47:405:31:1713:2012:17
14:22
#25059
25.2M
25.20 mi16:54:015:37:3813:246:21
18:25
#25080
Finish
26.22 mi17:07:155:50:5213:2413:14
12:59
#25067
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi25268107411074125267(Top 99%)10738(Top 98%)10738(Top 666%)
10K6.21 mi3.10 mi25280-1210751-1010751-1025221(Top 99%)10707(Top 98%)10707(Top 664%)
15K9.32 mi3.11 mi25287-710752-110752-125267(Top 99%)10738(Top 98%)10738(Top 666%)
20K12.43 mi3.11 mi25290-310753-110753-125101(Top 98%)10656(Top 98%)10656(Top 661%)
Half13.11 mi0.68 mi25266+2410739+1410739+1424588(Top 96%)10385(Top 95%)10385(Top 644%)
25K15.53 mi2.42 mi25292-2610762-2310762-2325187(Top 99%)10733(Top 98%)10733(Top 665%)
30K18.64 mi3.11 mi25232+6010733+2910733+2924721(Top 97%)10526(Top 96%)10526(Top 653%)
20M20.00 mi1.36 mi25212+2010727+610727+624048(Top 94%)10256(Top 94%)10256(Top 636%)
21M21.00 mi1.00 mi25181+3110712+1510712+1523336(Top 91%)9961(Top 91%)9961(Top 618%)
35K21.75 mi0.75 mi25164+1710706+610706+623908(Top 94%)10259(Top 94%)10259(Top 636%)
23M23.00 mi1.25 mi25113+5110683+2310683+2323369(Top 91%)10007(Top 92%)10007(Top 620%)
24M24.00 mi1.00 mi25067+4610659+2410659+2422995(Top 90%)9898(Top 91%)9898(Top 614%)
40K24.85 mi0.85 mi25059+810657+210657+224019(Top 94%)10388(Top 95%)10388(Top 644%)
25.2M25.20 mi0.35 mi25080-2110672-1510672-1525125(Top 98%)10790(Top 99%)10790(Top 669%)
Finish26.22 mi1.02 mi25067+1310663+910663+924348(Top 95%)10523(Top 96%)10523(Top 652%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

25267

Females

10738

F40-44

10738

5K→10K

3.1 - 6.2 mi

Top 99%
×5story building
+79ft-138ft

Overall

25221

Females

10707

F40-44

10707

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

25267

Females

10738

F40-44

10738

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

25101

Females

10656

F40-44

10656

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

24588

Females

10385

F40-44

10385

Half→25K

13.1 - 15.5 mi

Top 99%
×4story building
+66ft-88ft

Overall

25187

Females

10733

F40-44

10733

25K→30K

15.5 - 18.6 mi

Top 97%
×9story building
+181ft-148ft

Overall

24721

Females

10526

F40-44

10526

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

24048

Females

10256

F40-44

10256

20M→21M

20.0 - 21.0 mi

Top 91%
×8story building
+106ft-24ft

Overall

23336

Females

9961

F40-44

9961

21M→35K

21.0 - 21.8 mi

Top 94%
×7story building
+17ft-86ft

Overall

23908

Females

10259

F40-44

10259

35K→23M

21.8 - 23.0 mi

Top 91%
×5story building
+23ft-63ft

Overall

23369

Females

10007

F40-44

10007

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

22995

Females

9898

F40-44

9898

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

24019

Females

10388

F40-44

10388

40K→25.2M

24.9 - 25.2 mi

Top 98%
×1story
+13ft-16ft

Overall

25125

Females

10790

F40-44

10790

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

24348

Females

10523

F40-44

10523

Passing Analysis

Category:
Athletes Passed
472
Passed By
271
Net Change
+201
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25268
5K → 10K4557-12#25268#25280
10K → 15K4451-7#25280#25287
15K → 20K3033-3#25287#25290
20K → Half240+24#25290#25266
Half → 25K2046-26#25266#25292
25K → 30K7212+60#25292#25232
30K → 20M277+20#25232#25212
20M → 21M343+31#25212#25181
21M → 35K2710+17#25181#25164
35K → 23M521+51#25164#25113
23M → 24M493+46#25113#25067
24M → 40K2214+8#25067#25059
40K → 25.2M425-21#25059#25080
25.2M → Finish229+13#25080#25067
TOTALS472271+201
📊

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