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BOSTON MARATHON 2024

Tiffany Flaherty

Bib: 24171•F

MA

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
11:52/mi
36:51
↑ 97↓ 3451.5%
10K· 6.21 mi
13:12/mi
1:17:51
↑ 79↓ 1380.4%
15K· 9.32 mi
13:09/mi
1:58:41
↑ 67↓ 78
20K· 12.43 mi
12:37/mi
2:37:52
↑ 106↓ 860.1%
Half· 13.11 mi
12:03/mi
2:46:05
↑ 19↓ 370.5%
25K· 15.53 mi
12:41/mi
3:16:50
↑ 66↓ 880.2%
30K· 18.64 mi
13:53/mi
3:59:59
↑ 181↓ 1480.2%
20M
12:37/mi
4:17:08
↑ 64↓ 500.2%
21M
13:13/mi
4:30:21
↑ 106↓ 241.6%
35K· 21.75 mi
12:54/mi
4:40:00
↑ 17↓ 861.7%
23M
12:43/mi
4:55:55
↑ 23↓ 630.6%
24M
13:18/mi
5:09:13
↓ 821.3%
40K· 24.85 mi
11:53/mi
5:19:23
↓ 200.3%
25.2M
12:48/mi
5:23:48
↑ 13↓ 160.2%
Finish· 26.22 mi
10:40/mi
5:34:40
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:46:05
Pace12:40 /mi
2nd Half
Distance13.11 mi
Time2:48:35
Pace12:52 /mi
📊Positive Split: 1.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:52:2136:5111:5236:51
11:52
-
10K
6.21 mi12:33:211:17:5112:3241:00
13:12
+1:20
15K
9.32 mi13:14:111:58:4112:4440:50
13:09
-0:03
20K
12.43 mi13:53:222:37:5212:4239:11
12:37
-0:32
Half
13.11 mi14:01:352:46:0512:408:13
12:03
-0:34
25K
15.53 mi14:32:203:16:5012:4030:45
12:41
+0:38
30K
18.64 mi15:15:293:59:5912:5243:09
13:53
+1:12
20M
20.00 mi15:32:384:17:0812:5117:09
12:37
-1:16
21M
21.00 mi15:45:514:30:2112:5213:13
13:13
+0:36
35K
21.75 mi15:55:304:40:0012:529:39
12:54
-0:19
23M
23.00 mi16:11:254:55:5512:5215:55
12:43
-0:11
24M
24.00 mi16:24:435:09:1312:5313:18
13:18
+0:35
40K
24.85 mi16:34:535:19:2312:5110:10
11:53
-1:25
25.2M
25.20 mi16:39:185:23:4812:514:25
12:48
+0:55
Finish
26.22 mi16:50:105:34:4012:4610:52
10:40
-2:08

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

10:40 /mi

Average Pace

12:46 /mi

Slowest Pace

13:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:06:06

20% of race

Time at Steady Pace

1:57:04

35% of race

Time at Slower Pace

2:31:30

45% of race

Average Pace: 12:46 /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 mi11:52:2136:5111:5236:51
11:52
#25367
10K
6.21 mi12:33:211:17:5112:3241:00
13:12
#25464
15K
9.32 mi13:14:111:58:4112:4440:50
13:09
#25436
20K
12.43 mi13:53:222:37:5212:4239:11
12:37
#25352
Half
13.11 mi14:01:352:46:0512:408:13
12:03
#25332
25K
15.53 mi14:32:203:16:5012:4030:45
12:41
#25209
30K
18.64 mi15:15:293:59:5912:5243:09
13:53
#25091
20M
20.00 mi15:32:384:17:0812:5117:09
12:37
#24980
21M
21.00 mi15:45:514:30:2112:5213:13
13:13
#24870
35K
21.75 mi15:55:304:40:0012:529:39
12:54
#24831
23M
23.00 mi16:11:254:55:5512:5215:55
12:43
#24755
24M
24.00 mi16:24:435:09:1312:5313:18
13:18
#24735
40K
24.85 mi16:34:535:19:2312:5110:10
11:53
#24636
25.2M
25.20 mi16:39:185:23:4812:514:25
12:48
#24593
Finish
26.22 mi16:50:105:34:4012:4610:52
10:40
#24505
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi25367108121081225335(Top 99%)10786(Top 99%)10786(Top 231%)
10K6.21 mi3.10 mi25464-9710876-6410876-6425489(Top 100%)10895(Top 100%)10895(Top 234%)
15K9.32 mi3.11 mi25436+2810857+1910857+1925335(Top 99%)10786(Top 99%)10786(Top 231%)
20K12.43 mi3.11 mi25352+8410799+5810799+5824577(Top 96%)10341(Top 95%)10341(Top 222%)
Half13.11 mi0.68 mi25332+2010786+1310786+1324616(Top 96%)10404(Top 95%)10404(Top 223%)
25K15.53 mi2.42 mi25209+12310713+7310713+7323916(Top 94%)10027(Top 92%)10027(Top 215%)
30K18.64 mi3.11 mi25091+11810655+5810655+5824147(Top 95%)10234(Top 94%)10234(Top 220%)
20M20.00 mi1.36 mi24980+11110592+6310592+6322360(Top 88%)9439(Top 86%)9439(Top 203%)
21M21.00 mi1.00 mi24870+11010529+6310529+6321120(Top 83%)8857(Top 81%)8857(Top 190%)
35K21.75 mi0.75 mi24831+3910516+1310516+1323127(Top 91%)9885(Top 90%)9885(Top 212%)
23M23.00 mi1.25 mi24755+7610483+3310483+3322082(Top 86%)9416(Top 86%)9416(Top 202%)
24M24.00 mi1.00 mi24735+20104831048323482(Top 92%)10140(Top 93%)10140(Top 218%)
40K24.85 mi0.85 mi24636+9910429+5410429+5420253(Top 79%)8654(Top 79%)8654(Top 186%)
25.2M25.20 mi0.35 mi24593+4310410+1910410+1919294(Top 76%)8176(Top 75%)8176(Top 175%)
Finish26.22 mi1.02 mi24505+8810366+4410366+4420485(Top 80%)8724(Top 80%)8724(Top 187%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 99%
×21story building
+97ft-345ft

Overall

25335

Females

10786

F18-39

10786

5K→10K

3.1 - 6.2 mi

Top 100%
×5story building
+79ft-138ft

Overall

25489

Females

10895

F18-39

10895

10K→15K

6.2 - 9.3 mi

Top 99%
×3story building
+67ft-78ft

Overall

25335

Females

10786

F18-39

10786

15K→20K

9.3 - 12.4 mi

Top 96%
×5story building
+106ft-86ft

Overall

24577

Females

10341

F18-39

10341

20K→Half

12.4 - 13.1 mi

Top 96%
×2story building
+19ft-37ft

Overall

24616

Females

10404

F18-39

10404

Half→25K

13.1 - 15.5 mi

Top 94%
×4story building
+66ft-88ft

Overall

23916

Females

10027

F18-39

10027

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

24147

Females

10234

F18-39

10234

30K→20M

18.6 - 20.0 mi

Top 88%
×5story building
+64ft-50ft

Overall

22360

Females

9439

F18-39

9439

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

21120

Females

8857

F18-39

8857

21M→35K

21.0 - 21.8 mi

Top 91%
×7story building
+17ft-86ft

Overall

23127

Females

9885

F18-39

9885

35K→23M

21.8 - 23.0 mi

Top 86%
×5story building
+23ft-63ft

Overall

22082

Females

9416

F18-39

9416

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

23482

Females

10140

F18-39

10140

24M→40K

24.0 - 24.9 mi

Top 79%
×1story
+6ft-20ft

Overall

20253

Females

8654

F18-39

8654

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

19294

Females

8176

F18-39

8176

25.2M→Finish

25.2 - 26.2 mi

Top 80%
×2story building
+22ft-21ft

Overall

20485

Females

8724

F18-39

8724

Passing Analysis

Category:
Athletes Passed
1022
Passed By
160
Net Change
+862
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25367
5K → 10K9106-97#25367#25464
10K → 15K3810+28#25464#25436
15K → 20K895+84#25436#25352
20K → Half222+20#25352#25332
Half → 25K1241+123#25332#25209
25K → 30K1257+118#25209#25091
30K → 20M1110+111#25091#24980
20M → 21M1100+110#24980#24870
21M → 35K456+39#24870#24831
35K → 23M837+76#24831#24755
23M → 24M3515+20#24755#24735
24M → 40K990+99#24735#24636
40K → 25.2M430+43#24636#24593
25.2M → Finish891+88#24593#24505
TOTALS1022160+862
📊

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