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BOSTON MARATHON 2024

Jennifer Liaros

Bib: 7850•F

NY

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 36%
Gender (Female)
#0 / 10924
Top 21%
Masters (Masters Women)
#0 / 6263
Top 10%
Division (F40-44)
#0 / 1613
Top 21%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
23:16
Rank: #10671
Start → 5K
23:16 | 7:29/mi
10K· 6.21 mi
46:42
Rank: #10622 (+49)
5K → 10K
23:26 | 7:33/mi
15K· 9.32 mi
1:10:12
Rank: #10441 (+181)
10K → 15K
23:30 | 7:34/mi
20K· 12.43 mi
1:33:57
Rank: #10099 (+342)
15K → 20K
23:45 | 7:39/mi
Half· 13.11 mi
1:39:09
Rank: #10097 (+2)
20K → Half
5:12 | 7:37/mi
25K· 15.53 mi
1:58:07
Rank: #9824 (+273)
Half → 25K
18:58 | 7:49/mi
30K· 18.64 mi
2:23:43
Rank: #9604 (+220)
25K → 30K
25:36 | 8:14/mi
20M
2:34:53
Rank: #9394 (+210)
30K → 20M
11:10 | 8:13/mi
21M
2:44:31
Rank: #9466 (-72)
20M → 21M
9:38 | 9:38/mi
35K· 21.75 mi
2:51:09
Rank: #9568 (-102)
21M → 35K
6:38 | 8:52/mi
23M
3:01:49
Rank: #9446 (+122)
35K → 23M
10:40 | 8:31/mi
24M
3:10:28
Rank: #9465 (-19)
23M → 24M
8:39 | 8:39/mi
40K· 24.85 mi
3:17:28
Rank: #9323 (+142)
24M → 40K
7:00 | 8:11/mi
25.2M
3:21:04
Rank: #9398 (-75)
40K → 25.2M
3:36 | 10:26/mi
Finish· 26.22 mi
3:28:53
Rank: #9251 (+147)
25.2M → Finish
7:49 | 7:40/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:39:09
Pace7:34 /mi
2nd Half
Distance13.11 mi
Time1:49:44
Pace8:22 /mi
📊Positive Split: 10.7% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:31:1223:167:2923:16
7:29
-
10K
6.21 mi10:54:3846:427:3123:26
7:33
+0:04
15K
9.32 mi11:18:081:10:127:3223:30
7:34
+0:01
20K
12.43 mi11:41:531:33:577:3423:45
7:39
+0:05
Half
13.11 mi11:47:051:39:097:345:12
7:37
-0:02
25K
15.53 mi12:06:031:58:077:3618:58
7:49
+0:12
30K
18.64 mi12:31:392:23:437:4325:36
8:14
+0:25
20M
20.00 mi12:42:492:34:537:4511:10
8:13
-0:01
21M
21.00 mi12:52:272:44:317:509:38
9:38
+1:25
35K
21.75 mi12:59:052:51:097:526:38
8:52
-0:46
23M
23.00 mi13:09:453:01:497:5410:40
8:31
-0:21
24M
24.00 mi13:18:243:10:287:568:39
8:39
+0:08
40K
24.85 mi13:25:243:17:287:577:00
8:11
-0:28
25.2M
25.20 mi13:29:003:21:047:593:36
10:26
+2:15
Finish
26.22 mi13:36:493:28:537:587:49
7:40
-2:46

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

7:29 /mi

Average Pace

7:58 /mi

Slowest Pace

10:26 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:46:58

51% of race

Time at Steady Pace

1:13:24

35% of race

Time at Slower Pace

28:31

14% 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 mi10:31:1223:167:2923:16
7:29
#10671
10K
6.21 mi10:54:3846:427:3123:26
7:33
#10622
15K
9.32 mi11:18:081:10:127:3223:30
7:34
#10441
20K
12.43 mi11:41:531:33:577:3423:45
7:39
#10099
Half
13.11 mi11:47:051:39:097:345:12
7:37
#10097
25K
15.53 mi12:06:031:58:077:3618:58
7:49
#9824
30K
18.64 mi12:31:392:23:437:4325:36
8:14
#9604
20M
20.00 mi12:42:492:34:537:4511:10
8:13
#9394
21M
21.00 mi12:52:272:44:317:509:38
9:38
#9466
35K
21.75 mi12:59:052:51:097:526:38
8:52
#9568
23M
23.00 mi13:09:453:01:497:5410:40
8:31
#9446
24M
24.00 mi13:18:243:10:287:568:39
8:39
#9465
40K
24.85 mi13:25:243:17:287:577:00
8:11
#9323
25.2M
25.20 mi13:29:003:21:047:593:36
10:26
#9398
Finish
26.22 mi13:36:493:28:537:587:49
7:40
#9251
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi106712388238810156(Top 40%)2257(Top 21%)2257(Top 140%)
10K6.21 mi3.10 mi10622+492393-52393-510622(Top 42%)2429(Top 22%)2429(Top 151%)
15K9.32 mi3.11 mi10441+1812315+782315+7810156(Top 40%)2257(Top 21%)2257(Top 140%)
20K12.43 mi3.11 mi10099+3422201+1142201+1149387(Top 37%)2012(Top 18%)2012(Top 125%)
Half13.11 mi0.68 mi10097+22210-92210-910062(Top 39%)2334(Top 21%)2334(Top 145%)
25K15.53 mi2.42 mi9824+2732133+772133+779092(Top 36%)2054(Top 19%)2054(Top 127%)
30K18.64 mi3.11 mi9604+2202111+222111+229238(Top 36%)2333(Top 21%)2333(Top 145%)
20M20.00 mi1.36 mi9394+2102061+502061+507955(Top 31%)1962(Top 18%)1962(Top 122%)
21M21.00 mi1.00 mi9466-722169-1082169-10811408(Top 45%)3949(Top 36%)3949(Top 245%)
35K21.75 mi0.75 mi9568-1022251-822251-8212674(Top 50%)4620(Top 42%)4620(Top 286%)
23M23.00 mi1.25 mi9446+1222259-82259-88596(Top 34%)2669(Top 24%)2669(Top 165%)
24M24.00 mi1.00 mi9465-192312-532312-5310306(Top 40%)3592(Top 33%)3592(Top 223%)
40K24.85 mi0.85 mi9323+1422285+272285+276739(Top 26%)1995(Top 18%)1995(Top 124%)
25.2M25.20 mi0.35 mi9398-752339-542339-5412612(Top 49%)4901(Top 45%)4901(Top 304%)
Finish26.22 mi1.02 mi9251+1472309+302309+306588(Top 26%)1932(Top 18%)1932(Top 120%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 40%
×21stories
+97ft-345ft

Overall

10156

Females

2257

F40-44

2257

5K→10K

3.1 - 6.2 mi

Top 42%
×5stories
+79ft-138ft

Overall

10622

Females

2429

F40-44

2429

10K→15K

6.2 - 9.3 mi

Top 40%
×3stories
+67ft-78ft

Overall

10156

Females

2257

F40-44

2257

15K→20K

9.3 - 12.4 mi

Top 37%
×5stories
+106ft-86ft

Overall

9387

Females

2012

F40-44

2012

20K→Half

12.4 - 13.1 mi

Top 39%
×2stories
+19ft-37ft

Overall

10062

Females

2334

F40-44

2334

Half→25K

13.1 - 15.5 mi

Top 36%
×4stories
+66ft-88ft

Overall

9092

Females

2054

F40-44

2054

25K→30K

15.5 - 18.6 mi

Top 36%
×9stories
+181ft-148ft

Overall

9238

Females

2333

F40-44

2333

30K→20M

18.6 - 20.0 mi

Top 31%
×5stories
+64ft-50ft

Overall

7955

Females

1962

F40-44

1962

20M→21M

20.0 - 21.0 mi

Top 45%
×8stories
+106ft-24ft

Overall

11408

Females

3949

F40-44

3949

21M→35K

21.0 - 21.8 mi

Top 50%
×7stories
+17ft-86ft

Overall

12674

Females

4620

F40-44

4620

35K→23M

21.8 - 23.0 mi

Top 34%
×5stories
+23ft-63ft

Overall

8596

Females

2669

F40-44

2669

23M→24M

23.0 - 24.0 mi

Top 40%
×6stories
+12ft-82ft

Overall

10306

Females

3592

F40-44

3592

24M→40K

24.0 - 24.9 mi

Top 26%
×1story
+6ft-20ft

Overall

6739

Females

1995

F40-44

1995

40K→25.2M

24.9 - 25.2 mi

Top 49%
×1story
+13ft-16ft

Overall

12612

Females

4901

F40-44

4901

25.2M→Finish

25.2 - 26.2 mi

Top 26%
×2stories
+22ft-21ft

Overall

6588

Females

1932

F40-44

1932

Passing Analysis

Category:
Athletes Passed
2823*
Passed By
1402
Net Change
+1420
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#10671
5K → 10K308259+49#10671#10622
10K → 15K303122+181#10622#10441
15K → 20K40765+342#10441#10099
20K → Half4240+2#10099#10097
Half → 25K34168+273#10097#9824
25K → 30K358137+220#9824#9604
30K → 20M25040+210#9604#9394
20M → 21M107179-72#9394#9466
21M → 35K56158-102#9466#9568
35K → 23M20785+122#9568#9446
23M → 24M95*114-19#9446#9465
24M → 40K16119+142#9465#9323
40K → 25.2M2398-75#9323#9398
25.2M → Finish16518+147#9398#9251
TOTALS2823*1402+1420

* 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