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BOSTON MARATHON 2024

Joanna Flemming

NS

Bib: 21510 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 25550
Gender (Female)
#0 / 10924
Top 49%
Masters (Masters Women)
#0 / 6263
Top 39%
Division (F50-54)
#0 / 1187
Top 33%
Race Day Weather
55°/45°F
scattered clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
8:43/mi
27:05
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:34/mi
53:41
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:30/mi
1:20:05
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:36/mi
1:46:48
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
8:32/mi
1:52:37
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:52/mi
2:14:08
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
9:06/mi
2:42:24
↑ 181↓ 1480.2%
138 ft elev
20M
9:16/mi
2:54:59
↑ 64↓ 500.2%
148 ft elev
21M
9:50/mi
3:04:49
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:52/mi
3:11:27
↑ 17↓ 861.7%
156 ft elev
23M
9:28/mi
3:23:18
↑ 23↓ 630.6%
116 ft elev
24M
9:19/mi
3:32:37
↓ 821.3%
34 ft elev
40K· 24.85 mi
9:17/mi
3:40:33
↓ 200.3%
20 ft elev
25.2M
10:12/mi
3:44:04
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:40/mi
3:52:54
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

Half Splits

1st Half· via Half
1:52:378:35 /mi⚡ faster
2nd Half
2:00:179:11 /mi+6.8%
Positive split — 6.8% slower in the second half
Is this your race?

Your race, unpacked

See your splits, ranks & AI insights.

Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
27:058:433.11 mi27:05
8:43
-
10K
53:418:383.10 mi26:36
8:34
-0:09
15K
1:20:058:363.11 mi26:24
8:30
-0:04
20K
1:46:488:363.11 mi26:43
8:36
+0:06
Half(13.11 mi)
1:52:378:350.68 mi5:49
8:32
-0:04
25K
2:14:088:382.42 mi21:31
8:52
+0:20
30K
2:42:248:433.11 mi28:16
9:06
+0:14
20M
2:54:598:451.36 mi12:35
9:16
+0:10
21M
3:04:498:481.00 mi9:50
9:50
+0:34
35K
3:11:278:480.75 mi6:38
8:52
-0:58
23M
3:23:188:501.25 mi11:51
9:28
+0:36
24M
3:32:378:521.00 mi9:19
9:19
-0:09
40K
3:40:338:520.85 mi7:56
9:17
-0:02
25.2M
3:44:048:530.35 mi3:31
10:12
+0:55
Finish(26.22 mi)
3:52:548:531.02 mi8:50
8:40
-1:32
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

8:30 /mi

Average Pace

8:53 /mi

Slowest Pace

10:12 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

3:27:42

89% of race

Time at Steady Pace

21:41

9% of race

Time at Slower Pace

3:31

2% of race

Average Pace: 8:53 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

Heatmap

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0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Checkpoint and Segment Rankings

CheckpointSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi18907728672861639858045804
10K3.10 mi18276+6316902+3846902+3841764165116511
15K3.11 mi17625+6516499+4036499+4031639858045804
20K3.11 mi16944+6816132+3676132+3671533152015201
Half(13.11 mi)0.68 mi16883+616102+306102+301590255705570
25K2.42 mi16485+3985893+2095893+2091494051455145
30K3.11 mi15966+5195652+2415652+2411371046834683
20M1.36 mi15759+2075577+755577+751346048324832
21M1.00 mi15538+2215487+905487+901229144144414
35K0.75 mi15443+955455+325455+321271146574657
23M1.25 mi15314+1295431+245431+241337950935093
24M1.00 mi15232+825413+185413+181363452525252
40K0.85 mi15075+1575368+455368+451217746214621
25.2M0.35 mi14996+795340+285340+281178944994499
Finish(26.22 mi)1.02 mi14874+1225308+325308+321247647194719

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 64%
×21story building
+97ft-345ft

Overall

16398

Females

5804

F50-54

5804

5K→10K

3.1 - 6.2 mi

Top 69%
×5story building
+79ft-138ft

Overall

17641

Females

6511

F50-54

6511

10K→15K

6.2 - 9.3 mi

Top 64%
×3story building
+67ft-78ft

Overall

16398

Females

5804

F50-54

5804

15K→20K

9.3 - 12.4 mi

Top 60%
×5story building
+106ft-86ft

Overall

15331

Females

5201

F50-54

5201

20K→Half

12.4 - 13.1 mi

Top 62%
×2story building
+19ft-37ft

Overall

15902

Females

5570

F50-54

5570

Half→25K

13.1 - 15.5 mi

Top 58%
×4story building
+66ft-88ft

Overall

14940

Females

5145

F50-54

5145

25K→30K

15.5 - 18.6 mi

Top 54%
×9story building
+181ft-148ft

Overall

13710

Females

4683

F50-54

4683

30K→20M

18.6 - 20.0 mi

Top 53%
×5story building
+64ft-50ft

Overall

13460

Females

4832

F50-54

4832

20M→21M

20.0 - 21.0 mi

Top 48%
×8story building
+106ft-24ft

Overall

12291

Females

4414

F50-54

4414

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

12711

Females

4657

F50-54

4657

35K→23M

21.8 - 23.0 mi

Top 52%
×5story building
+23ft-63ft

Overall

13379

Females

5093

F50-54

5093

23M→24M

23.0 - 24.0 mi

Top 53%
×6story building
+12ft-82ft

Overall

13634

Females

5252

F50-54

5252

24M→40K

24.0 - 24.9 mi

Top 48%
×1story
+6ft-20ft

Overall

12177

Females

4621

F50-54

4621

40K→25.2M

24.9 - 25.2 mi

Top 46%
×1story
+13ft-16ft

Overall

11789

Females

4499

F50-54

4499

25.2M→Finish

25.2 - 26.2 mi

Top 49%
×2story building
+22ft-21ft

Overall

12476

Females

4719

F50-54

4719

Passing Analysis

Category:
Passed
4465
Passed By
432
Net Change
+4033
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#18907
5K → 10K71786+631#18907#18276
10K → 15K66918+651#18276#17625
15K → 20K70120+681#17625#16944
20K → Half709+61#16944#16883
Half → 25K43638+398#16883#16485
25K → 30K55637+519#16485#15966
30K → 20M23528+207#15966#15759
20M → 21M24524+221#15759#15538
21M → 35K12227+95#15538#15443
35K → 23M17950+129#15443#15314
23M → 24M11937+82#15314#15232
24M → 40K18124+157#15232#15075
40K → 25.2M9415+79#15075#14996
25.2M → Finish14119+122#14996#14874
TOTALS4465432+4033

Passing Charts

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