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BOSTON MARATHON 2024

Julia Conroy

Bib: 21505•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Masters (Masters Women)
#0 / 6263
Top 42%
Division (F45-49)
#0 / 1753
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
8:06/mi
25:10
↑ 97↓ 3451.5%
10K· 6.21 mi
8:14/mi
50:46
↑ 79↓ 1380.4%
15K· 9.32 mi
8:22/mi
1:16:45
↑ 67↓ 78
20K· 12.43 mi
8:39/mi
1:43:39
↑ 106↓ 860.1%
Half· 13.11 mi
8:30/mi
1:49:27
↑ 19↓ 370.5%
25K· 15.53 mi
9:05/mi
2:11:29
↑ 66↓ 880.2%
30K· 18.64 mi
9:35/mi
2:41:15
↑ 181↓ 1480.2%
20M
9:24/mi
2:54:01
↑ 64↓ 500.2%
21M
11:05/mi
3:05:06
↑ 106↓ 241.6%
35K· 21.75 mi
9:32/mi
3:12:14
↑ 17↓ 861.7%
23M
9:46/mi
3:24:28
↑ 23↓ 630.6%
24M
9:41/mi
3:34:09
↓ 821.3%
40K· 24.85 mi
9:47/mi
3:42:31
↓ 200.3%
25.2M
10:23/mi
3:46:06
↑ 13↓ 160.2%
Finish· 26.22 mi
8:53/mi
3:55:09
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:49:27
Pace8:21 /mi
2nd Half
Distance13.11 mi
Time2:05:42
Pace9:35 /mi
📊Positive Split: 14.8% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:21:0825:108:0625:10
8:06
-
10K
6.21 mi11:46:4450:468:1025:36
8:14
+0:08
15K
9.32 mi12:12:431:16:458:1425:59
8:22
+0:08
20K
12.43 mi12:39:371:43:398:2026:54
8:39
+0:17
Half
13.11 mi12:45:251:49:278:215:48
8:30
-0:09
25K
15.53 mi13:07:272:11:298:2822:02
9:05
+0:35
30K
18.64 mi13:37:132:41:158:3929:46
9:35
+0:30
20M
20.00 mi13:49:592:54:018:4212:46
9:24
-0:11
21M
21.00 mi14:01:043:05:068:4911:05
11:05
+1:41
35K
21.75 mi14:08:123:12:148:507:08
9:32
-1:33
23M
23.00 mi14:20:263:24:288:5312:14
9:46
+0:14
24M
24.00 mi14:30:073:34:098:559:41
9:41
-0:05
40K
24.85 mi14:38:293:42:318:578:22
9:47
+0:06
25.2M
25.20 mi14:42:043:46:068:583:35
10:23
+0:36
Finish
26.22 mi14:51:073:55:098:599:03
8:53
-1:30

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

8:06 /mi

Average Pace

8:59 /mi

Slowest Pace

11:05 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:58:30

50% of race

Time at Steady Pace

1:41:59

43% of race

Time at Slower Pace

14:40

6% of race

Average Pace: 8:58 /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 mi11:21:0825:108:0625:10
8:06
#15392
10K
6.21 mi11:46:4450:468:1025:36
8:14
#15582
15K
9.32 mi12:12:431:16:458:1425:59
8:22
#15551
20K
12.43 mi12:39:371:43:398:2026:54
8:39
#15505
Half
13.11 mi12:45:251:49:278:215:48
8:30
#15518
25K
15.53 mi13:07:272:11:298:2822:02
9:05
#15592
30K
18.64 mi13:37:132:41:158:3929:46
9:35
#15626
20M
20.00 mi13:49:592:54:018:4212:46
9:24
#15503
21M
21.00 mi14:01:043:05:068:4911:05
11:05
#15623
35K
21.75 mi14:08:123:12:148:507:08
9:32
#15639
23M
23.00 mi14:20:263:24:288:5312:14
9:46
#15568
24M
24.00 mi14:30:073:34:098:559:41
9:41
#15560
40K
24.85 mi14:38:293:42:318:578:22
9:47
#15496
25.2M
25.20 mi14:42:043:46:068:583:35
10:23
#15424
Finish
26.22 mi14:51:073:55:098:599:03
8:53
#15332
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi153925185518515637(Top 61%)5349(Top 49%)5349(Top 305%)
10K6.21 mi3.10 mi15582-1905287-1025287-10215781(Top 62%)5394(Top 49%)5394(Top 308%)
15K9.32 mi3.11 mi15551+315277+105277+1015637(Top 61%)5349(Top 49%)5349(Top 305%)
20K12.43 mi3.11 mi15505+465267+105267+1015633(Top 61%)5367(Top 49%)5367(Top 306%)
Half13.11 mi0.68 mi15518-135281-145281-1415781(Top 62%)5513(Top 50%)5513(Top 314%)
25K15.53 mi2.42 mi15592-745360-795360-7915928(Top 62%)5673(Top 52%)5673(Top 324%)
30K18.64 mi3.11 mi15626-345449-895449-8915784(Top 62%)5846(Top 54%)5846(Top 333%)
20M20.00 mi1.36 mi15503+1235425+245425+2414067(Top 55%)5166(Top 47%)5166(Top 295%)
21M21.00 mi1.00 mi15623-1205536-1115536-11116559(Top 65%)6625(Top 61%)6625(Top 378%)
35K21.75 mi0.75 mi15639-165570-345570-3415622(Top 61%)6151(Top 56%)6151(Top 351%)
23M23.00 mi1.25 mi15568+715579-95579-914640(Top 57%)5735(Top 52%)5735(Top 327%)
24M24.00 mi1.00 mi15560+85610-315610-3115212(Top 60%)6054(Top 55%)6054(Top 345%)
40K24.85 mi0.85 mi15496+645600+105600+1014226(Top 56%)5635(Top 52%)5635(Top 321%)
25.2M25.20 mi0.35 mi15424+725575+255575+2512495(Top 49%)4860(Top 44%)4860(Top 277%)
Finish26.22 mi1.02 mi15332+925549+265549+2613657(Top 53%)5306(Top 49%)5306(Top 303%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 61%
×21story building
+97ft-345ft

Overall

15637

Females

5349

F45-49

5349

5K→10K

3.1 - 6.2 mi

Top 62%
×5story building
+79ft-138ft

Overall

15781

Females

5394

F45-49

5394

10K→15K

6.2 - 9.3 mi

Top 61%
×3story building
+67ft-78ft

Overall

15637

Females

5349

F45-49

5349

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

15633

Females

5367

F45-49

5367

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

15781

Females

5513

F45-49

5513

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

15928

Females

5673

F45-49

5673

25K→30K

15.5 - 18.6 mi

Top 62%
×9story building
+181ft-148ft

Overall

15784

Females

5846

F45-49

5846

30K→20M

18.6 - 20.0 mi

Top 55%
×5story building
+64ft-50ft

Overall

14067

Females

5166

F45-49

5166

20M→21M

20.0 - 21.0 mi

Top 65%
×8story building
+106ft-24ft

Overall

16559

Females

6625

F45-49

6625

21M→35K

21.0 - 21.8 mi

Top 61%
×7story building
+17ft-86ft

Overall

15622

Females

6151

F45-49

6151

35K→23M

21.8 - 23.0 mi

Top 57%
×5story building
+23ft-63ft

Overall

14640

Females

5735

F45-49

5735

23M→24M

23.0 - 24.0 mi

Top 60%
×6story building
+12ft-82ft

Overall

15212

Females

6054

F45-49

6054

24M→40K

24.0 - 24.9 mi

Top 56%
×1story
+6ft-20ft

Overall

14226

Females

5635

F45-49

5635

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

12495

Females

4860

F45-49

4860

25.2M→Finish

25.2 - 26.2 mi

Top 53%
×2story building
+22ft-21ft

Overall

13657

Females

5306

F45-49

5306

Passing Analysis

Category:
Athletes Passed
2064
Passed By
2004
Net Change
+60
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15392
5K → 10K207397-190#15392#15582
10K → 15K248217+31#15582#15551
15K → 20K257211+46#15551#15505
20K → Half3144-13#15505#15518
Half → 25K200274-74#15518#15592
25K → 30K243277-34#15592#15626
30K → 20M17956+123#15626#15503
20M → 21M77197-120#15503#15623
21M → 35K7086-16#15623#15639
35K → 23M15786+71#15639#15568
23M → 24M9082+8#15568#15560
24M → 40K10238+64#15560#15496
40K → 25.2M797+72#15496#15424
25.2M → Finish12432+92#15424#15332
TOTALS20642004+60
📊

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