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BOSTON MARATHON 2023

Erin Flanagan

MA

Bib: 29887 F

0:00
0:00
/ mi
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Division (F18-39)
#0 / 4884
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
10:42/mi
33:16
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
10:52/mi
1:07:01
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
10:59/mi
1:41:07
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
11:21/mi
2:16:24
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
10:58/mi
2:23:53
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
11:36/mi
2:52:01
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
12:35/mi
3:31:08
↑ 181↓ 1480.2%
138 ft elev
20M
12:57/mi
3:48:44
↑ 64↓ 500.2%
148 ft elev
21M
14:53/mi
4:03:37
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
11:28/mi
4:12:12
↑ 17↓ 861.7%
156 ft elev
23M
11:43/mi
4:26:52
↑ 23↓ 630.6%
116 ft elev
24M
11:45/mi
4:38:37
↓ 821.3%
34 ft elev
40K· 24.85 mi
12:57/mi
4:49:41
↓ 200.3%
20 ft elev
25.2M
12:31/mi
4:54:00
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
11:09/mi
5:05:22
↑ 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
2:23:5310:59 /mi⚡ faster
2nd Half
2:41:2912:19 /mi+12.2%
Positive split — 12.2% 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
33:1610:423.11 mi33:16
10:42
-
10K
1:07:0110:473.10 mi33:45
10:52
+0:10
15K
1:41:0710:513.11 mi34:06
10:59
+0:07
20K
2:16:2410:593.11 mi35:17
11:21
+0:22
Half(13.11 mi)
2:23:5310:590.68 mi7:29
10:58
-0:23
25K
2:52:0111:042.42 mi28:08
11:36
+0:38
30K
3:31:0811:203.11 mi39:07
12:35
+0:59
20M
3:48:4411:261.36 mi17:36
12:57
+0:22
21M
4:03:3711:361.00 mi14:53
14:53
+1:56
35K
4:12:1211:360.75 mi8:35
11:28
-3:25
23M
4:26:5211:361.25 mi14:40
11:43
+0:15
24M
4:38:3711:371.00 mi11:45
11:45
+0:02
40K
4:49:4111:390.85 mi11:04
12:57
+1:12
25.2M
4:54:0011:400.35 mi4:19
12:31
-0:26
Finish(26.22 mi)
5:05:2211:391.02 mi11:22
11:09
-1:22
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

10:42 /mi

Average Pace

11:39 /mi

Slowest Pace

14:53 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:48:36

36% of race

Time at Steady Pace

1:49:47

36% of race

Time at Slower Pace

1:26:59

28% of race

Average Pace: 11:39 /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. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi252061055010550251441054010540
10K3.10 mi25241-3510564-1410564-14252901060410604
15K3.11 mi25217+241056410564251441054010540
20K3.11 mi25174+4310552+1210552+12250741052510525
Half(13.11 mi)0.68 mi25158+1610548+410548+4249131045410454
25K2.42 mi25110+4810525+2310525+23247991040110401
30K3.11 mi25137-2710564-3910564-39250901062110621
20M1.36 mi25152-1510578-1410578-14251371066910669
21M1.00 mi25202-5010609-3110609-31256641093210932
35K0.75 mi25173+2910605+410605+4240681016310163
23M1.25 mi25105+6810582+2310582+232360499099909
24M1.00 mi25094+1110578+410578+4242131028310283
40K0.85 mi25100-610587-910587-9248981062310623
25.2M0.35 mi25081+1910580+710580+72334898619861
Finish(26.22 mi)1.02 mi25058+2310572+810572+8242421027610276

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

25144

Females

10540

F18-39

10540

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

25290

Females

10604

F18-39

10604

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

25144

Females

10540

F18-39

10540

15K→20K

9.3 - 12.4 mi

Top 94%
×5story building
+106ft-86ft

Overall

25074

Females

10525

F18-39

10525

20K→Half

12.4 - 13.1 mi

Top 94%
×2story building
+19ft-37ft

Overall

24913

Females

10454

F18-39

10454

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

24799

Females

10401

F18-39

10401

25K→30K

15.5 - 18.6 mi

Top 94%
×9story building
+181ft-148ft

Overall

25090

Females

10621

F18-39

10621

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

25137

Females

10669

F18-39

10669

20M→21M

20.0 - 21.0 mi

Top 96%
×8story building
+106ft-24ft

Overall

25664

Females

10932

F18-39

10932

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

24068

Females

10163

F18-39

10163

35K→23M

21.8 - 23.0 mi

Top 89%
×5story building
+23ft-63ft

Overall

23604

Females

9909

F18-39

9909

23M→24M

23.0 - 24.0 mi

Top 91%
×6story building
+12ft-82ft

Overall

24213

Females

10283

F18-39

10283

24M→40K

24.0 - 24.9 mi

Top 94%
×1story
+6ft-20ft

Overall

24898

Females

10623

F18-39

10623

40K→25.2M

24.9 - 25.2 mi

Top 88%
×1story
+13ft-16ft

Overall

23348

Females

9861

F18-39

9861

25.2M→Finish

25.2 - 26.2 mi

Top 91%
×2story building
+22ft-21ft

Overall

24242

Females

10276

F18-39

10276

Passing Analysis

Category:
▲Net Change
+0
0 passed by0 passed
SegmentMovementRank
Start → 5K-#25206
5K → 10K
185150-35
#25206 → #25241
10K → 15K
95119+24
#25241 → #25217
15K → 20K
69112+43
#25217 → #25174
20K → Half
1632+16
#25174 → #25158
Half → 25K
53101+48
#25158 → #25110
25K → 30K
9063-27
#25110 → #25137
30K → 20M
5136-15
#25137 → #25152
20M → 21M
6515-50
#25152 → #25202
21M → 35K
938+29
#25202 → #25173
35K → 23M
876+68
#25173 → #25105
23M → 24M
1223+11
#25105 → #25094
24M → 40K
2014-6
#25094 → #25100
40K → 25.2M
120+19
#25100 → #25081
25.2M → Finish
1134+23
#25081 → #25058
TOTALS
685833+148
#25206 → #25058

Passing Visualized

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