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BOSTON MARATHON 2024

Giulia Bellini

Bib: 11790•F

0:00
0:00
/ mi
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Division (F18-39)
#0 / 4660
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
7:09/mi
22:14
↑ 97↓ 3451.5%
10K· 6.21 mi
7:16/mi
44:48
↑ 79↓ 1380.4%
15K· 9.32 mi
7:20/mi
1:07:36
↑ 67↓ 78
20K· 12.43 mi
7:42/mi
1:31:31
↑ 106↓ 860.1%
Half· 13.11 mi
7:36/mi
1:36:42
↑ 19↓ 370.5%
25K· 15.53 mi
8:36/mi
1:57:34
↑ 66↓ 880.2%
30K· 18.64 mi
9:53/mi
2:28:16
↑ 181↓ 1480.2%
20M
13:01/mi
2:45:58
↑ 64↓ 500.2%
21M
15:59/mi
3:01:57
↑ 106↓ 241.6%
35K· 21.75 mi
12:29/mi
3:11:17
↑ 17↓ 861.7%
23M
15:34/mi
3:30:46
↑ 23↓ 630.6%
24M
14:56/mi
3:45:42
↓ 821.3%
40K· 24.85 mi
16:13/mi
3:59:34
↓ 200.3%
25.2M
16:14/mi
4:05:10
↑ 13↓ 160.2%
Finish· 26.22 mi
11:49/mi
4:17:12
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:36:42
Pace7:23 /mi
2nd Half
Distance13.11 mi
Time2:40:30
Pace12:15 /mi
📊Positive Split: 66.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:50:0822:147:0922:14
7:09
-
10K
6.21 mi11:12:4244:487:1322:34
7:16
+0:07
15K
9.32 mi11:35:301:07:367:1522:48
7:20
+0:04
20K
12.43 mi11:59:251:31:317:2223:55
7:42
+0:22
Half
13.11 mi12:04:361:36:427:235:11
7:36
-0:06
25K
15.53 mi12:25:281:57:347:3420:52
8:36
+1:00
30K
18.64 mi12:56:102:28:167:5730:42
9:53
+1:17
20M
20.00 mi13:13:522:45:588:1817:42
13:01
+3:08
21M
21.00 mi13:29:513:01:578:4015:59
15:59
+2:58
35K
21.75 mi13:39:113:11:178:489:20
12:29
-3:30
23M
23.00 mi13:58:403:30:469:1019:29
15:34
+3:05
24M
24.00 mi14:13:363:45:429:2414:56
14:56
-0:38
40K
24.85 mi14:27:283:59:349:3813:52
16:13
+1:17
25.2M
25.20 mi14:33:044:05:109:445:36
16:14
+0:01
Finish
26.22 mi14:45:064:17:129:4912:02
11:49
-4:25

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

7:09 /mi

Average Pace

9:49 /mi

Slowest Pace

16:14 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:28:16

58% of race

Time at Steady Pace

39:04

15% of race

Time at Slower Pace

1:09:52

27% of race

Average Pace: 9:49 /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 mi10:50:0822:147:0922:14
7:09
#8101
10K
6.21 mi11:12:4244:487:1322:34
7:16
#8215
15K
9.32 mi11:35:301:07:367:1522:48
7:20
#8240
20K
12.43 mi11:59:251:31:317:2223:55
7:42
#8597
Half
13.11 mi12:04:361:36:427:235:11
7:36
#8661
25K
15.53 mi12:25:281:57:347:3420:52
8:36
#9578
30K
18.64 mi12:56:102:28:167:5730:42
9:53
#11328
20M
20.00 mi13:13:522:45:588:1817:42
13:01
#13129
21M
21.00 mi13:29:513:01:578:4015:59
15:59
#14837
35K
21.75 mi13:39:113:11:178:489:20
12:29
#15393
23M
23.00 mi13:58:403:30:469:1019:29
15:34
#16864
24M
24.00 mi14:13:363:45:429:2414:56
14:56
#17653
40K
24.85 mi14:27:283:59:349:3813:52
16:13
#18269
25.2M
25.20 mi14:33:044:05:109:445:36
16:14
#18451
Finish
26.22 mi14:45:064:17:129:4912:02
11:49
#18642
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8101121112118438(Top 33%)1446(Top 13%)1446(Top 31%)
10K6.21 mi3.10 mi8215-1141295-841295-848406(Top 33%)1407(Top 13%)1407(Top 30%)
15K9.32 mi3.11 mi8240-251320-251320-258438(Top 33%)1446(Top 13%)1446(Top 31%)
20K12.43 mi3.11 mi8597-3571500-1801500-1809746(Top 38%)2208(Top 20%)2208(Top 47%)
Half13.11 mi0.68 mi8661-641529-291529-299922(Top 39%)2279(Top 21%)2279(Top 49%)
25K15.53 mi2.42 mi9578-9172002-4732002-47313641(Top 53%)4409(Top 40%)4409(Top 95%)
30K18.64 mi3.11 mi11328-17503004-10023004-100216946(Top 66%)6486(Top 59%)6486(Top 139%)
20M20.00 mi1.36 mi13129-18014057-10534057-105322878(Top 90%)9691(Top 89%)9691(Top 208%)
21M21.00 mi1.00 mi14837-17085082-10255082-102524469(Top 96%)10484(Top 96%)10484(Top 225%)
35K21.75 mi0.75 mi15393-5565426-3445426-34422553(Top 88%)9604(Top 88%)9604(Top 206%)
23M23.00 mi1.25 mi16864-14716297-8716297-87124933(Top 98%)10711(Top 98%)10711(Top 230%)
24M24.00 mi1.00 mi17653-7896764-4676764-46724797(Top 97%)10686(Top 98%)10686(Top 229%)
40K24.85 mi0.85 mi18269-6167116-3527116-35225035(Top 98%)10771(Top 99%)10771(Top 231%)
25.2M25.20 mi0.35 mi18451-1827220-1047220-10424219(Top 95%)10452(Top 96%)10452(Top 224%)
Finish26.22 mi1.02 mi18642-1917356-1367356-13622967(Top 90%)9918(Top 91%)9918(Top 213%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 33%
×21story building
+97ft-345ft

Overall

8438

Females

1446

F18-39

1446

5K→10K

3.1 - 6.2 mi

Top 33%
×5story building
+79ft-138ft

Overall

8406

Females

1407

F18-39

1407

10K→15K

6.2 - 9.3 mi

Top 33%
×3story building
+67ft-78ft

Overall

8438

Females

1446

F18-39

1446

15K→20K

9.3 - 12.4 mi

Top 38%
×5story building
+106ft-86ft

Overall

9746

Females

2208

F18-39

2208

20K→Half

12.4 - 13.1 mi

Top 39%
×2story building
+19ft-37ft

Overall

9922

Females

2279

F18-39

2279

Half→25K

13.1 - 15.5 mi

Top 53%
×4story building
+66ft-88ft

Overall

13641

Females

4409

F18-39

4409

25K→30K

15.5 - 18.6 mi

Top 66%
×9story building
+181ft-148ft

Overall

16946

Females

6486

F18-39

6486

30K→20M

18.6 - 20.0 mi

Top 90%
×5story building
+64ft-50ft

Overall

22878

Females

9691

F18-39

9691

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

24469

Females

10484

F18-39

10484

21M→35K

21.0 - 21.8 mi

Top 88%
×7story building
+17ft-86ft

Overall

22553

Females

9604

F18-39

9604

35K→23M

21.8 - 23.0 mi

Top 98%
×5story building
+23ft-63ft

Overall

24933

Females

10711

F18-39

10711

23M→24M

23.0 - 24.0 mi

Top 97%
×6story building
+12ft-82ft

Overall

24797

Females

10686

F18-39

10686

24M→40K

24.0 - 24.9 mi

Top 98%
×1story
+6ft-20ft

Overall

25035

Females

10771

F18-39

10771

40K→25.2M

24.9 - 25.2 mi

Top 95%
×1story
+13ft-16ft

Overall

24219

Females

10452

F18-39

10452

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

22967

Females

9918

F18-39

9918

Passing Analysis

Category:
Athletes Passed
662
Passed By
11200
Net Change
-10541
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8101
5K → 10K197311-114#8101#8215
10K → 15K165190-25#8215#8240
15K → 20K103460-357#8240#8597
20K → Half2084-64#8597#8661
Half → 25K51967-917#8661#9578
25K → 30K371785-1750#9578#11328
30K → 20M61807-1801#11328#13129
20M → 21M81716-1708#13129#14837
21M → 35K14570-556#14837#15393
35K → 23M51476-1471#15393#16864
23M → 24M6795-789#16864#17653
24M → 40K9625-616#17653#18269
40K → 25.2M11193-182#18269#18451
25.2M → Finish30221-191#18451#18642
TOTALS66211200-10541
📊

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