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BOSTON MARATHON 2024

Alexandra Niles

Bib: 161•F

NJ

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Top 12%
Gender (Female)
#0 / 10924
Top 2%
Masters (Masters Women)
#0 / 6263
Top 0.5%
Division (F40-44)
#0 / 1613
Top 1%
Race Day Weather
55°/45°F
scattered clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
19:05
Rank: #1386
Start → 5K
19:05 | 6:09/mi
10K· 6.21 mi
38:30
Rank: #1525 (-139)
5K → 10K
19:25 | 6:15/mi
15K· 9.32 mi
58:36
Rank: #1821 (-296)
10K → 15K
20:06 | 6:28/mi
20K· 12.43 mi
1:18:52
Rank: #1902 (-81)
15K → 20K
20:16 | 6:31/mi
Half· 13.11 mi
1:23:19
Rank: #1946 (-44)
20K → Half
4:27 | 6:31/mi
25K· 15.53 mi
1:39:22
Rank: #1966 (-20)
Half → 25K
16:03 | 6:37/mi
30K· 18.64 mi
2:02:46
Rank: #2438 (-472)
25K → 30K
23:24 | 7:32/mi
20M
2:13:38
Rank: #2727 (-289)
30K → 20M
10:52 | 8:00/mi
21M
2:21:48
Rank: #2858 (-131)
20M → 21M
8:10 | 8:10/mi
35K· 21.75 mi
2:26:57
Rank: #2804 (+54)
21M → 35K
5:09 | 6:53/mi
23M
2:37:09
Rank: #3039 (-235)
35K → 23M
10:12 | 8:09/mi
24M
2:45:00
Rank: #3169 (-130)
23M → 24M
7:51 | 7:51/mi
40K· 24.85 mi
2:51:01
Rank: #3079 (+90)
24M → 40K
6:01 | 7:02/mi
25.2M
2:54:31
Rank: #3199 (-120)
40K → 25.2M
3:30 | 10:09/mi
Finish· 26.22 mi
3:01:18
Rank: #3085 (+114)
25.2M → Finish
6:47 | 6:39/mi

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:23:19
Pace6:21 /mi
2nd Half
Distance13.11 mi
Time1:37:59
Pace7:28 /mi
📊Positive Split: 17.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:06:0619:056:0919:05
6:09
-
10K
6.21 mi10:25:3138:306:1219:25
6:15
+0:06
15K
9.32 mi10:45:3758:366:1720:06
6:28
+0:13
20K
12.43 mi11:05:531:18:526:2120:16
6:31
+0:03
Half
13.11 mi11:10:201:23:196:214:27
6:31
0:00
25K
15.53 mi11:26:231:39:226:2416:03
6:37
+0:06
30K
18.64 mi11:49:472:02:466:3523:24
7:32
+0:55
20M
20.00 mi12:00:392:13:386:4110:52
8:00
+0:28
21M
21.00 mi12:08:492:21:486:458:10
8:10
+0:10
35K
21.75 mi12:13:582:26:576:455:09
6:53
-1:17
23M
23.00 mi12:24:102:37:096:5010:12
8:09
+1:16
24M
24.00 mi12:32:012:45:006:537:51
7:51
-0:18
40K
24.85 mi12:38:022:51:016:536:01
7:02
-0:49
25.2M
25.20 mi12:41:322:54:316:563:30
10:09
+3:07
Finish
26.22 mi12:48:193:01:186:556:47
6:39
-3:30

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

6:09 /mi

Average Pace

6:55 /mi

Slowest Pace

10:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

38:30

21% of race

Time at Steady Pace

1:18:49

43% of race

Time at Slower Pace

1:03:59

35% of race

Average Pace: 6:55 /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 mi10:06:0619:056:0919:05
6:09
#1386
10K
6.21 mi10:25:3138:306:1219:25
6:15
#1525
15K
9.32 mi10:45:3758:366:1720:06
6:28
#1821
20K
12.43 mi11:05:531:18:526:2120:16
6:31
#1902
Half
13.11 mi11:10:201:23:196:214:27
6:31
#1946
25K
15.53 mi11:26:231:39:226:2416:03
6:37
#1966
30K
18.64 mi11:49:472:02:466:3523:24
7:32
#2438
20M
20.00 mi12:00:392:13:386:4110:52
8:00
#2727
21M
21.00 mi12:08:492:21:486:458:10
8:10
#2858
35K
21.75 mi12:13:582:26:576:455:09
6:53
#2804
23M
23.00 mi12:24:102:37:096:5010:12
8:09
#3039
24M
24.00 mi12:32:012:45:006:537:51
7:51
#3169
40K
24.85 mi12:38:022:51:016:536:01
7:02
#3079
25.2M
25.20 mi12:41:322:54:316:563:30
10:09
#3199
Finish
26.22 mi12:48:193:01:186:556:47
6:39
#3085
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi138645452568(Top 10%)99(Top 0.9%)99(Top 6%)
10K6.21 mi3.10 mi1525-13947-247-21701(Top 7%)49(Top 0.4%)49(Top 3%)
15K9.32 mi3.11 mi1821-29654-754-72568(Top 10%)99(Top 0.9%)99(Top 6%)
20K12.43 mi3.11 mi1902-8158-458-42296(Top 9%)88(Top 0.8%)88(Top 5%)
Half13.11 mi0.68 mi1946-4457+157+12775(Top 11%)124(Top 1%)124(Top 8%)
25K15.53 mi2.42 mi1966-2060-360-32239(Top 9%)95(Top 0.9%)95(Top 6%)
30K18.64 mi3.11 mi2438-472105-45105-455260(Top 21%)714(Top 7%)714(Top 44%)
20M20.00 mi1.36 mi2727-289133-28133-286741(Top 26%)1431(Top 13%)1431(Top 89%)
21M21.00 mi1.00 mi2858-131148-15148-154795(Top 19%)808(Top 7%)808(Top 50%)
35K21.75 mi0.75 mi2804+54149-1149-12640(Top 10%)233(Top 2%)233(Top 14%)
23M23.00 mi1.25 mi3039-235179-30179-306527(Top 26%)1686(Top 15%)1686(Top 105%)
24M24.00 mi1.00 mi3169-130204-25204-255834(Top 23%)1436(Top 13%)1436(Top 89%)
40K24.85 mi0.85 mi3079+90201+3201+31968(Top 8%)197(Top 2%)197(Top 12%)
25.2M25.20 mi0.35 mi3199-120219-18219-1811530(Top 45%)4334(Top 40%)4334(Top 269%)
Finish26.22 mi1.02 mi3085+114216+3216+31870(Top 7%)214(Top 2%)214(Top 13%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
×21stories
+97ft-345ft

Overall

2568

Females

99

F40-44

99

5K→10K

3.1 - 6.2 mi

Top 7%
×5stories
+79ft-138ft

Overall

1701

Females

49

F40-44

49

10K→15K

6.2 - 9.3 mi

Top 10%
×3stories
+67ft-78ft

Overall

2568

Females

99

F40-44

99

15K→20K

9.3 - 12.4 mi

Top 9%
×5stories
+106ft-86ft

Overall

2296

Females

88

F40-44

88

20K→Half

12.4 - 13.1 mi

Top 11%
×2stories
+19ft-37ft

Overall

2775

Females

124

F40-44

124

Half→25K

13.1 - 15.5 mi

Top 9%
×4stories
+66ft-88ft

Overall

2239

Females

95

F40-44

95

25K→30K

15.5 - 18.6 mi

Top 21%
×9stories
+181ft-148ft

Overall

5260

Females

714

F40-44

714

30K→20M

18.6 - 20.0 mi

Top 26%
×5stories
+64ft-50ft

Overall

6741

Females

1431

F40-44

1431

20M→21M

20.0 - 21.0 mi

Top 19%
×8stories
+106ft-24ft

Overall

4795

Females

808

F40-44

808

21M→35K

21.0 - 21.8 mi

Top 10%
×7stories
+17ft-86ft

Overall

2640

Females

233

F40-44

233

35K→23M

21.8 - 23.0 mi

Top 26%
×5stories
+23ft-63ft

Overall

6527

Females

1686

F40-44

1686

23M→24M

23.0 - 24.0 mi

Top 23%
×6stories
+12ft-82ft

Overall

5834

Females

1436

F40-44

1436

24M→40K

24.0 - 24.9 mi

Top 8%
×1story
+6ft-20ft

Overall

1968

Females

197

F40-44

197

40K→25.2M

24.9 - 25.2 mi

Top 45%
×1story
+13ft-16ft

Overall

11530

Females

4334

F40-44

4334

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2stories
+22ft-21ft

Overall

1870

Females

214

F40-44

214

Passing Analysis

Category:
Athletes Passed
590
Passed By
2289
Net Change
-1699
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1386
5K → 10K32171-139#1386#1525
10K → 15K10306-296#1525#1821
15K → 20K47128-81#1821#1902
20K → Half549-44#1902#1946
Half → 25K6787-20#1946#1966
25K → 30K32504-472#1966#2438
30K → 20M17306-289#2438#2727
20M → 21M36167-131#2727#2858
21M → 35K6915+54#2858#2804
35K → 23M32267-235#2804#3039
23M → 24M22152-130#3039#3169
24M → 40K977+90#3169#3079
40K → 25.2M5125-120#3079#3199
25.2M → Finish1195+114#3199#3085
TOTALS5902289-1699
📊

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