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BOSTON MARATHON 2024

Julia Bastos

Bib: 12402•F

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 39%
Gender (Female)
#0 / 10924
Top 25%
Division (F18-39)
#0 / 4660
Top 41%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:03
Rank: #10128
Start → 5K
23:03 | 7:25/mi
10K· 6.21 mi
45:50
Rank: #9464 (+664)
5K → 10K
22:47 | 7:20/mi
15K· 9.32 mi
1:08:58
Rank: #9342 (+122)
10K → 15K
23:08 | 7:27/mi
20K· 12.43 mi
1:33:52
Rank: #10061 (-719)
15K → 20K
24:54 | 8:01/mi
Half· 13.11 mi
1:39:32
Rank: #10305 (-244)
20K → Half
5:40 | 8:18/mi
25K· 15.53 mi
2:01:14
Rank: #11314 (-1009)
Half → 25K
21:42 | 8:57/mi
30K· 18.64 mi
2:26:11
Rank: #10565 (+749)
25K → 30K
24:57 | 8:02/mi
20M
2:38:37
Rank: #10702 (-137)
30K → 20M
12:26 | 9:09/mi
21M
2:48:00
Rank: #10613 (+89)
20M → 21M
9:23 | 9:23/mi
35K· 21.75 mi
2:53:55
Rank: #10465 (+148)
21M → 35K
5:55 | 7:55/mi
23M
3:05:01
Rank: #10395 (+70)
35K → 23M
11:06 | 8:52/mi
24M
3:13:30
Rank: #10312 (+83)
23M → 24M
8:29 | 8:29/mi
40K· 24.85 mi
3:21:11
Rank: #10322 (-10)
24M → 40K
7:41 | 8:59/mi
25.2M
3:24:14
Rank: #10226 (+96)
40K → 25.2M
3:03 | 8:51/mi
Finish· 26.22 mi
3:31:53
Rank: #10014 (+212)
25.2M → Finish
7:39 | 7:30/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:32
Pace7:36 /mi
2nd Half
Distance13.11 mi
Time1:52:21
Pace8:34 /mi
📊Positive Split: 12.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:1123:037:2523:03
7:25
-
10K
6.21 mi11:14:5845:507:2322:47
7:20
-0:05
15K
9.32 mi11:38:061:08:587:2423:08
7:27
+0:07
20K
12.43 mi12:03:001:33:527:3324:54
8:01
+0:34
Half
13.11 mi12:08:401:39:327:365:40
8:18
+0:17
25K
15.53 mi12:30:222:01:147:4821:42
8:57
+0:39
30K
18.64 mi12:55:192:26:117:5124:57
8:02
-0:55
20M
20.00 mi13:07:452:38:377:5612:26
9:09
+1:07
21M
21.00 mi13:17:082:48:008:009:23
9:23
+0:14
35K
21.75 mi13:23:032:53:558:005:55
7:55
-1:28
23M
23.00 mi13:34:093:05:018:0311:06
8:52
+0:57
24M
24.00 mi13:42:383:13:308:048:29
8:29
-0:23
40K
24.85 mi13:50:193:21:118:067:41
8:59
+0:30
25.2M
25.20 mi13:53:223:24:148:063:03
8:51
-0:08
Finish
26.22 mi14:01:013:31:538:057:39
7:30
-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

7:20 /mi

Average Pace

8:05 /mi

Slowest Pace

9:23 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:32

39% of race

Time at Steady Pace

1:04:00

30% of race

Time at Slower Pace

1:05:21

31% of race

Average Pace: 8:05 /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 mi10:52:1123:037:2523:03
7:25
#10128
10K
6.21 mi11:14:5845:507:2322:47
7:20
#9464
15K
9.32 mi11:38:061:08:587:2423:08
7:27
#9342
20K
12.43 mi12:03:001:33:527:3324:54
8:01
#10061
Half
13.11 mi12:08:401:39:327:365:40
8:18
#10305
25K
15.53 mi12:30:222:01:147:4821:42
8:57
#11314
30K
18.64 mi12:55:192:26:117:5124:57
8:02
#10565
20M
20.00 mi13:07:452:38:377:5612:26
9:09
#10702
21M
21.00 mi13:17:082:48:008:009:23
9:23
#10613
35K
21.75 mi13:23:032:53:558:005:55
7:55
#10465
23M
23.00 mi13:34:093:05:018:0311:06
8:52
#10395
24M
24.00 mi13:42:383:13:308:048:29
8:29
#10312
40K
24.85 mi13:50:193:21:118:067:41
8:59
#10322
25.2M
25.20 mi13:53:223:24:148:063:03
8:51
#10226
Finish
26.22 mi14:01:013:31:538:057:39
7:30
#10014
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi10128207920799262(Top 36%)1813(Top 17%)1813(Top 39%)
10K6.21 mi3.10 mi9464+6641810+2691810+2698948(Top 35%)1622(Top 15%)1622(Top 35%)
15K9.32 mi3.11 mi9342+1221780+301780+309262(Top 36%)1813(Top 17%)1813(Top 39%)
20K12.43 mi3.11 mi10061-7192183-4032183-40311937(Top 47%)3281(Top 30%)3281(Top 70%)
Half13.11 mi0.68 mi10305-2442323-1402323-14014618(Top 57%)4802(Top 44%)4802(Top 103%)
25K15.53 mi2.42 mi11314-10092891-5682891-56815298(Top 60%)5335(Top 49%)5335(Top 114%)
30K18.64 mi3.11 mi10565+7492600+2912600+2918059(Top 32%)1799(Top 16%)1799(Top 39%)
20M20.00 mi1.36 mi10702-1372727-1272727-12712867(Top 50%)4493(Top 41%)4493(Top 96%)
21M21.00 mi1.00 mi10613+892744-172744-1710320(Top 40%)3383(Top 31%)3383(Top 73%)
35K21.75 mi0.75 mi10465+1482696+482696+487264(Top 28%)1886(Top 17%)1886(Top 40%)
23M23.00 mi1.25 mi10395+702730-342730-3410478(Top 41%)3643(Top 33%)3643(Top 78%)
24M24.00 mi1.00 mi10312+832738-82738-89372(Top 37%)3119(Top 29%)3119(Top 67%)
40K24.85 mi0.85 mi10322-102779-412779-4110821(Top 42%)3971(Top 36%)3971(Top 85%)
25.2M25.20 mi0.35 mi10226+962750+292750+295921(Top 23%)1696(Top 16%)1696(Top 36%)
Finish26.22 mi1.02 mi10014+2122685+652685+655700(Top 22%)1512(Top 14%)1512(Top 32%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 36%
×21stories
+97ft-345ft

Overall

9262

Females

1813

F18-39

1813

5K→10K

3.1 - 6.2 mi

Top 35%
×5stories
+79ft-138ft

Overall

8948

Females

1622

F18-39

1622

10K→15K

6.2 - 9.3 mi

Top 36%
×3stories
+67ft-78ft

Overall

9262

Females

1813

F18-39

1813

15K→20K

9.3 - 12.4 mi

Top 47%
×5stories
+106ft-86ft

Overall

11937

Females

3281

F18-39

3281

20K→Half

12.4 - 13.1 mi

Top 57%
×2stories
+19ft-37ft

Overall

14618

Females

4802

F18-39

4802

Half→25K

13.1 - 15.5 mi

Top 60%
×4stories
+66ft-88ft

Overall

15298

Females

5335

F18-39

5335

25K→30K

15.5 - 18.6 mi

Top 32%
×9stories
+181ft-148ft

Overall

8059

Females

1799

F18-39

1799

30K→20M

18.6 - 20.0 mi

Top 50%
×5stories
+64ft-50ft

Overall

12867

Females

4493

F18-39

4493

20M→21M

20.0 - 21.0 mi

Top 40%
×8stories
+106ft-24ft

Overall

10320

Females

3383

F18-39

3383

21M→35K

21.0 - 21.8 mi

Top 28%
×7stories
+17ft-86ft

Overall

7264

Females

1886

F18-39

1886

35K→23M

21.8 - 23.0 mi

Top 41%
×5stories
+23ft-63ft

Overall

10478

Females

3643

F18-39

3643

23M→24M

23.0 - 24.0 mi

Top 37%
×6stories
+12ft-82ft

Overall

9372

Females

3119

F18-39

3119

24M→40K

24.0 - 24.9 mi

Top 42%
×1story
+6ft-20ft

Overall

10821

Females

3971

F18-39

3971

40K→25.2M

24.9 - 25.2 mi

Top 23%
×1story
+13ft-16ft

Overall

5921

Females

1696

F18-39

1696

25.2M→Finish

25.2 - 26.2 mi

Top 22%
×2stories
+22ft-21ft

Overall

5700

Females

1512

F18-39

1512

Passing Analysis

Category:
Athletes Passed
2965*
Passed By
2849
Net Change
+114
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10128
5K → 10K706*42+664#10128#9464
10K → 15K245123+122#9464#9342
15K → 20K71788-719#9342#10061
20K → Half7251-244#10061#10305
Half → 25K521061-1009#10305#11314
25K → 30K76516+749#11314#10565
30K → 20M94231-137#10565#10702
20M → 21M16677+89#10702#10613
21M → 35K15911+148#10613#10465
35K → 23M171101+70#10465#10395
23M → 24M13249+83#10395#10312
24M → 40K83*93-10#10312#10322
40K → 25.2M1004+96#10322#10226
25.2M → Finish2142+212#10226#10014
TOTALS2965*2849+114

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

📊

Passing Visuals

Category:
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🔥Passing Intensity

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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