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BOSTON MARATHON 2024

Alexandra Spangler

Bib: 26240•F

WI

0:00
0:00
/ mi
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Overall
#0 / 25550
Top 50%
Gender (Female)
#0 / 10924
Top 38%
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
8:26/mi
26:11
↑ 97↓ 3451.5%
10K· 6.21 mi
8:11/mi
51:38
↑ 79↓ 1380.4%
15K· 9.32 mi
8:12/mi
1:17:08
↑ 67↓ 78
20K· 12.43 mi
8:21/mi
1:43:06
↑ 106↓ 860.1%
Half· 13.11 mi
8:12/mi
1:48:42
↑ 19↓ 370.5%
25K· 15.53 mi
8:28/mi
2:09:13
↑ 66↓ 880.2%
30K· 18.64 mi
8:37/mi
2:35:59
↑ 181↓ 1480.2%
20M
8:40/mi
2:47:45
↑ 64↓ 500.2%
21M
8:59/mi
2:56:44
↑ 106↓ 241.6%
35K· 21.75 mi
8:32/mi
3:03:07
↑ 17↓ 861.7%
23M
8:58/mi
3:14:21
↑ 23↓ 630.6%
24M
8:50/mi
3:23:11
↓ 821.3%
40K· 24.85 mi
9:10/mi
3:31:01
↓ 200.3%
25.2M
9:52/mi
3:34:25
↑ 13↓ 160.2%
Finish· 26.22 mi
8:38/mi
3:43:13
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:48:42
Pace8:17 /mi
2nd Half
Distance13.11 mi
Time1:54:31
Pace8:44 /mi
📊Positive Split: 5.4% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:42:5126:118:2626:11
8:26
-
10K
6.21 mi12:08:1851:388:1925:27
8:11
-0:15
15K
9.32 mi12:33:481:17:088:1725:30
8:12
+0:01
20K
12.43 mi12:59:461:43:068:1825:58
8:21
+0:09
Half
13.11 mi13:05:221:48:428:175:36
8:12
-0:09
25K
15.53 mi13:25:532:09:138:1920:31
8:28
+0:16
30K
18.64 mi13:52:392:35:598:2226:46
8:37
+0:09
20M
20.00 mi14:04:252:47:458:2311:46
8:40
+0:03
21M
21.00 mi14:13:242:56:448:258:59
8:59
+0:19
35K
21.75 mi14:19:473:03:078:256:23
8:32
-0:27
23M
23.00 mi14:31:013:14:218:2711:14
8:58
+0:26
24M
24.00 mi14:39:513:23:118:288:50
8:50
-0:08
40K
24.85 mi14:47:413:31:018:297:50
9:10
+0:20
25.2M
25.20 mi14:51:053:34:258:313:24
9:52
+0:42
Finish
26.22 mi14:59:533:43:138:318:48
8:38
-1:14

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

8:11 /mi

Average Pace

8:31 /mi

Slowest Pace

9:52 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:22:31

37% of race

Time at Steady Pace

1:40:25

45% of race

Time at Slower Pace

40:17

18% of race

Average Pace: 8:31 /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 mi11:42:5126:118:2626:11
8:26
#17370
10K
6.21 mi12:08:1851:388:1925:27
8:11
#16408
15K
9.32 mi12:33:481:17:088:1725:30
8:12
#15762
20K
12.43 mi12:59:461:43:068:1825:58
8:21
#15269
Half
13.11 mi13:05:221:48:428:175:36
8:12
#15205
25K
15.53 mi13:25:532:09:138:1920:31
8:28
#14751
30K
18.64 mi13:52:392:35:598:2226:46
8:37
#14011
20M
20.00 mi14:04:252:47:458:2311:46
8:40
#13703
21M
21.00 mi14:13:242:56:448:258:59
8:59
#13316
35K
21.75 mi14:19:473:03:078:256:23
8:32
#13183
23M
23.00 mi14:31:013:14:218:2711:14
8:58
#13022
24M
24.00 mi14:39:513:23:118:288:50
8:50
#12924
40K
24.85 mi14:47:413:31:018:297:50
9:10
#12849
25.2M
25.20 mi14:51:053:34:258:313:24
9:52
#12784
Finish
26.22 mi14:59:533:43:138:318:48
8:38
#12720
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi173706383638314776(Top 58%)4833(Top 44%)4833(Top 104%)
10K6.21 mi3.10 mi16408+9625805+5785805+57815478(Top 61%)5201(Top 48%)5201(Top 112%)
15K9.32 mi3.11 mi15762+6465417+3885417+38814776(Top 58%)4833(Top 44%)4833(Top 104%)
20K12.43 mi3.11 mi15269+4935118+2995118+29914032(Top 55%)4447(Top 41%)4447(Top 95%)
Half13.11 mi0.68 mi15205+645078+405078+4014082(Top 55%)4516(Top 41%)4516(Top 97%)
25K15.53 mi2.42 mi14751+4544848+2304848+23012861(Top 50%)3966(Top 36%)3966(Top 85%)
30K18.64 mi3.11 mi14011+7404488+3604488+36011267(Top 44%)3330(Top 30%)3330(Top 71%)
20M20.00 mi1.36 mi13703+3084369+1194369+11910346(Top 40%)3132(Top 29%)3132(Top 67%)
21M21.00 mi1.00 mi13316+3874213+1564213+1568555(Top 33%)2474(Top 23%)2474(Top 53%)
35K21.75 mi0.75 mi13183+1334173+404173+4010968(Top 43%)3736(Top 34%)3736(Top 80%)
23M23.00 mi1.25 mi13022+1614151+224151+2211029(Top 43%)3919(Top 36%)3919(Top 84%)
24M24.00 mi1.00 mi12924+984130+214130+2111303(Top 44%)4059(Top 37%)4059(Top 87%)
40K24.85 mi0.85 mi12849+754145-154145-1511612(Top 45%)4350(Top 40%)4350(Top 93%)
25.2M25.20 mi0.35 mi12784+654127+184127+1810412(Top 41%)3829(Top 35%)3829(Top 82%)
Finish26.22 mi1.02 mi12720+644134-74134-712282(Top 48%)4600(Top 42%)4600(Top 99%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 58%
×21story building
+97ft-345ft

Overall

14776

Females

4833

F18-39

4833

5K→10K

3.1 - 6.2 mi

Top 61%
×5story building
+79ft-138ft

Overall

15478

Females

5201

F18-39

5201

10K→15K

6.2 - 9.3 mi

Top 58%
×3story building
+67ft-78ft

Overall

14776

Females

4833

F18-39

4833

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

14032

Females

4447

F18-39

4447

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

14082

Females

4516

F18-39

4516

Half→25K

13.1 - 15.5 mi

Top 50%
×4story building
+66ft-88ft

Overall

12861

Females

3966

F18-39

3966

25K→30K

15.5 - 18.6 mi

Top 44%
×9story building
+181ft-148ft

Overall

11267

Females

3330

F18-39

3330

30K→20M

18.6 - 20.0 mi

Top 40%
×5story building
+64ft-50ft

Overall

10346

Females

3132

F18-39

3132

20M→21M

20.0 - 21.0 mi

Top 33%
×8story building
+106ft-24ft

Overall

8555

Females

2474

F18-39

2474

21M→35K

21.0 - 21.8 mi

Top 43%
×7story building
+17ft-86ft

Overall

10968

Females

3736

F18-39

3736

35K→23M

21.8 - 23.0 mi

Top 43%
×5story building
+23ft-63ft

Overall

11029

Females

3919

F18-39

3919

23M→24M

23.0 - 24.0 mi

Top 44%
×6story building
+12ft-82ft

Overall

11303

Females

4059

F18-39

4059

24M→40K

24.0 - 24.9 mi

Top 45%
×1story
+6ft-20ft

Overall

11612

Females

4350

F18-39

4350

40K→25.2M

24.9 - 25.2 mi

Top 41%
×1story
+13ft-16ft

Overall

10412

Females

3829

F18-39

3829

25.2M→Finish

25.2 - 26.2 mi

Top 48%
×2story building
+22ft-21ft

Overall

12282

Females

4600

F18-39

4600

Passing Analysis

Category:
Athletes Passed
5057
Passed By
407
Net Change
+4650
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#17370
5K → 10K100139+962#17370#16408
10K → 15K67125+646#16408#15762
15K → 20K52734+493#15762#15269
20K → Half7713+64#15269#15205
Half → 25K48228+454#15205#14751
25K → 30K75313+740#14751#14011
30K → 20M32315+308#14011#13703
20M → 21M3914+387#13703#13316
21M → 35K14916+133#13316#13183
35K → 23M21857+161#13183#13022
23M → 24M13638+98#13022#12924
24M → 40K13863+75#12924#12849
40K → 25.2M7813+65#12849#12784
25.2M → Finish11349+64#12784#12720
TOTALS5057407+4650
📊

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