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BOSTON MARATHON 2024

Gemma Callaghan

Bib: 10668•F

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 36%
Gender (Female)
#0 / 10924
Top 21%
Division (F18-39)
#0 / 4660
Top 36%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
21:58
Rank: #7491
Start → 5K
7:04/mi
21:58 split
10K· 6.21 mi
44:23
Rank: #7730 (-239)
5K → 10K
7:13/mi
22:25 split
15K· 9.32 mi
1:07:45
Rank: #8366 (-636)
10K → 15K
7:31/mi
23:22 split
20K· 12.43 mi
1:31:57
Rank: #8849 (-483)
15K → 20K
7:47/mi
24:12 split
Half· 13.11 mi
1:37:07
Rank: #8900 (-51)
20K → Half
7:34/mi
5:10 split
25K· 15.53 mi
1:56:56
Rank: #9282 (-382)
Half → 25K
8:10/mi
19:49 split
30K· 18.64 mi
2:23:19
Rank: #9458 (-176)
25K → 30K
8:30/mi
26:23 split
20M
2:34:38
Rank: #9323 (+135)
30K → 20M
8:20/mi
11:19 split
21M
2:43:57
Rank: #9284 (+39)
20M → 21M
9:19/mi
9:19 split
35K· 21.75 mi
2:49:51
Rank: #9160 (+124)
21M → 35K
7:53/mi
5:54 split
23M
3:01:57
Rank: #9488 (-328)
35K → 23M
9:40/mi
12:06 split
24M
3:10:17
Rank: #9405 (+83)
23M → 24M
8:20/mi
8:20 split
40K· 24.85 mi
3:17:44
Rank: #9391 (+14)
24M → 40K
8:43/mi
7:27 split
25.2M
3:20:54
Rank: #9351 (+40)
40K → 25.2M
9:11/mi
3:10 split
Finish· 26.22 mi
3:28:55
Rank: #9265 (+86)
25.2M → Finish
7:52/mi
8:01 split

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:07
Pace7:24 /mi
2nd Half
Distance13.11 mi
Time1:51:48
Pace8:32 /mi
📊Positive Split: 15.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:1921:587:0421:58
7:04
-
10K
6.21 mi11:12:4444:237:0922:25
7:13
+0:09
15K
9.32 mi11:36:061:07:457:1623:22
7:31
+0:18
20K
12.43 mi12:00:181:31:577:2424:12
7:47
+0:16
Half
13.11 mi12:05:281:37:077:245:10
7:34
-0:13
25K
15.53 mi12:25:171:56:567:3219:49
8:10
+0:36
30K
18.64 mi12:51:402:23:197:4126:23
8:30
+0:20
20M
20.00 mi13:02:592:34:387:4411:19
8:20
-0:10
21M
21.00 mi13:12:182:43:577:489:19
9:19
+0:59
35K
21.75 mi13:18:122:49:517:495:54
7:53
-1:26
23M
23.00 mi13:30:183:01:577:5512:06
9:40
+1:47
24M
24.00 mi13:38:383:10:177:568:20
8:20
-1:20
40K
24.85 mi13:46:053:17:447:577:27
8:43
+0:23
25.2M
25.20 mi13:49:153:20:547:583:10
9:11
+0:28
Finish
26.22 mi13:57:163:28:557:588:01
7:52
-1:19

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

7:04 /mi

Average Pace

7:58 /mi

Slowest Pace

9:40 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:37:07

46% of race

Time at Steady Pace

1:19:46

38% of race

Time at Slower Pace

32:02

15% of race

Average Pace: 7:58 /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 mi10:50:1921:587:0421:58
7:04
#7491
10K
6.21 mi11:12:4444:237:0922:25
7:13
#7730
15K
9.32 mi11:36:061:07:457:1623:22
7:31
#8366
20K
12.43 mi12:00:181:31:577:2424:12
7:47
#8849
Half
13.11 mi12:05:281:37:077:245:10
7:34
#8900
25K
15.53 mi12:25:171:56:567:3219:49
8:10
#9282
30K
18.64 mi12:51:402:23:197:4126:23
8:30
#9458
20M
20.00 mi13:02:592:34:387:4411:19
8:20
#9323
21M
21.00 mi13:12:182:43:577:489:19
9:19
#9284
35K
21.75 mi13:18:122:49:517:495:54
7:53
#9160
23M
23.00 mi13:30:183:01:577:5512:06
9:40
#9488
24M
24.00 mi13:38:383:10:177:568:20
8:20
#9405
40K
24.85 mi13:46:053:17:447:577:27
8:43
#9391
25.2M
25.20 mi13:49:153:20:547:583:10
9:11
#9351
Finish
26.22 mi13:57:163:28:557:588:01
7:52
#9265
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi74919969969870(Top 39%)2118(Top 19%)2118(Top 45%)
10K6.21 mi3.10 mi7730-2391098-1021098-1028050(Top 32%)1262(Top 12%)1262(Top 27%)
15K9.32 mi3.11 mi8366-6361371-2731371-2739870(Top 39%)2118(Top 19%)2118(Top 45%)
20K12.43 mi3.11 mi8849-4831600-2291600-22910371(Top 41%)2512(Top 23%)2512(Top 54%)
Half13.11 mi0.68 mi8900-511633-331633-339713(Top 38%)2168(Top 20%)2168(Top 47%)
25K15.53 mi2.42 mi9282-3821845-2121845-21211205(Top 44%)3066(Top 28%)3066(Top 66%)
30K18.64 mi3.11 mi9458-1762040-1952040-19510623(Top 42%)2996(Top 27%)2996(Top 64%)
20M20.00 mi1.36 mi9323+1352024+162024+168548(Top 33%)2251(Top 21%)2251(Top 48%)
21M21.00 mi1.00 mi9284+392079-552079-5510026(Top 39%)3235(Top 30%)3235(Top 69%)
35K21.75 mi0.75 mi9160+1242047+322047+327125(Top 28%)1813(Top 17%)1813(Top 39%)
23M23.00 mi1.25 mi9488-3282279-2322279-23214203(Top 56%)5516(Top 50%)5516(Top 118%)
24M24.00 mi1.00 mi9405+832280-12280-18482(Top 33%)2698(Top 25%)2698(Top 58%)
40K24.85 mi0.85 mi9391+142318-382318-389484(Top 37%)3307(Top 30%)3307(Top 71%)
25.2M25.20 mi0.35 mi9351+402315+32315+37443(Top 29%)2392(Top 22%)2392(Top 51%)
Finish26.22 mi1.02 mi9265+862316-12316-17748(Top 30%)2446(Top 22%)2446(Top 52%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 39%
×21story building
+97ft-345ft

Overall

9870

Females

2118

F18-39

2118

5K→10K

3.1 - 6.2 mi

Top 32%
×5story building
+79ft-138ft

Overall

8050

Females

1262

F18-39

1262

10K→15K

6.2 - 9.3 mi

Top 39%
×3story building
+67ft-78ft

Overall

9870

Females

2118

F18-39

2118

15K→20K

9.3 - 12.4 mi

Top 41%
×5story building
+106ft-86ft

Overall

10371

Females

2512

F18-39

2512

20K→Half

12.4 - 13.1 mi

Top 38%
×2story building
+19ft-37ft

Overall

9713

Females

2168

F18-39

2168

Half→25K

13.1 - 15.5 mi

Top 44%
×4story building
+66ft-88ft

Overall

11205

Females

3066

F18-39

3066

25K→30K

15.5 - 18.6 mi

Top 42%
×9story building
+181ft-148ft

Overall

10623

Females

2996

F18-39

2996

30K→20M

18.6 - 20.0 mi

Top 33%
×5story building
+64ft-50ft

Overall

8548

Females

2251

F18-39

2251

20M→21M

20.0 - 21.0 mi

Top 39%
×8story building
+106ft-24ft

Overall

10026

Females

3235

F18-39

3235

21M→35K

21.0 - 21.8 mi

Top 28%
×7story building
+17ft-86ft

Overall

7125

Females

1813

F18-39

1813

35K→23M

21.8 - 23.0 mi

Top 56%
×5story building
+23ft-63ft

Overall

14203

Females

5516

F18-39

5516

23M→24M

23.0 - 24.0 mi

Top 33%
×6story building
+12ft-82ft

Overall

8482

Females

2698

F18-39

2698

24M→40K

24.0 - 24.9 mi

Top 37%
×1story
+6ft-20ft

Overall

9484

Females

3307

F18-39

3307

40K→25.2M

24.9 - 25.2 mi

Top 29%
×1story
+13ft-16ft

Overall

7443

Females

2392

F18-39

2392

25.2M→Finish

25.2 - 26.2 mi

Top 30%
×2story building
+22ft-21ft

Overall

7748

Females

2446

F18-39

2446

Passing Analysis

Category:
Athletes Passed
1545*
Passed By
3319
Net Change
-1774
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#7491
5K → 10K111350-239#7491#7730
10K → 15K48684-636#7730#8366
15K → 20K76559-483#8366#8849
20K → Half2071-51#8849#8900
Half → 25K109491-382#8900#9282
25K → 30K207383-176#9282#9458
30K → 20M20368+135#9458#9323
20M → 21M148109+39#9323#9284
21M → 35K13410+124#9284#9160
35K → 23M79407-328#9160#9488
23M → 24M138*55+83#9488#9405
24M → 40K8874+14#9405#9391
40K → 25.2M5616+40#9391#9351
25.2M → Finish12842+86#9351#9265
TOTALS1545*3319-1774

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

📊

Passing Visuals

Category:
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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