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BOSTON MARATHON 2023

Amy Blenk

Bib: 27510•F

MA

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

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
11:57/mi
37:09
↑ 97↓ 3451.5%
10K· 6.21 mi
11:52/mi
1:14:00
↑ 79↓ 1380.4%
15K· 9.32 mi
12:09/mi
1:51:44
↑ 67↓ 78
20K· 12.43 mi
12:27/mi
2:30:25
↑ 106↓ 860.1%
Half· 13.11 mi
11:17/mi
2:38:07
↑ 19↓ 370.5%
25K· 15.53 mi
12:55/mi
3:09:25
↑ 66↓ 880.2%
30K· 18.64 mi
13:09/mi
3:50:16
↑ 181↓ 1480.2%
20M
13:08/mi
4:08:07
↑ 64↓ 500.2%
21M
12:16/mi
4:20:23
↑ 106↓ 241.6%
35K· 21.75 mi
13:21/mi
4:30:22
↑ 17↓ 861.7%
23M
12:42/mi
4:46:16
↑ 23↓ 630.6%
24M
11:32/mi
4:57:48
↓ 821.3%
40K· 24.85 mi
12:45/mi
5:08:42
↓ 200.3%
25.2M
12:02/mi
5:12:51
↑ 13↓ 160.2%
Finish· 26.22 mi
11:02/mi
5:24:06
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:38:07
Pace12:04 /mi
2nd Half
Distance13.11 mi
Time2:45:59
Pace12:40 /mi
📊Positive Split: 5.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:56:1037:0911:5737:09
11:57
-
10K
6.21 mi12:33:011:14:0011:5536:51
11:52
-0:05
15K
9.32 mi13:10:451:51:4411:5937:44
12:09
+0:17
20K
12.43 mi13:49:262:30:2512:0638:41
12:27
+0:18
Half
13.11 mi13:57:082:38:0712:047:42
11:17
-1:10
25K
15.53 mi14:28:263:09:2512:1231:18
12:55
+1:38
30K
18.64 mi15:09:173:50:1612:2140:51
13:09
+0:14
20M
20.00 mi15:27:084:08:0712:2417:51
13:08
-0:01
21M
21.00 mi15:39:244:20:2312:2412:16
12:16
-0:52
35K
21.75 mi15:49:234:30:2212:269:59
13:21
+1:05
23M
23.00 mi16:05:174:46:1612:2715:54
12:42
-0:39
24M
24.00 mi16:16:494:57:4812:2511:32
11:32
-1:10
40K
24.85 mi16:27:435:08:4212:2510:54
12:45
+1:13
25.2M
25.20 mi16:31:525:12:5112:254:09
12:02
-0:43
Finish
26.22 mi16:43:075:24:0612:2211:15
11:02
-1:00

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

11:02 /mi

Average Pace

12:22 /mi

Slowest Pace

13:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:07:20

21% of race

Time at Steady Pace

2:09:59

40% of race

Time at Slower Pace

2:06:47

39% of race

Average Pace: 12:22 /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 mi11:56:1037:0911:5737:09
11:57
#26419
10K
6.21 mi12:33:011:14:0011:5536:51
11:52
#26347
15K
9.32 mi13:10:451:51:4411:5937:44
12:09
#26286
20K
12.43 mi13:49:262:30:2512:0638:41
12:27
#26200
Half
13.11 mi13:57:082:38:0712:047:42
11:17
#26184
25K
15.53 mi14:28:263:09:2512:1231:18
12:55
#26144
30K
18.64 mi15:09:173:50:1612:2140:51
13:09
#26053
20M
20.00 mi15:27:084:08:0712:2417:51
13:08
#26005
21M
21.00 mi15:39:244:20:2312:2412:16
12:16
#25910
35K
21.75 mi15:49:234:30:2212:269:59
13:21
#25918
23M
23.00 mi16:05:174:46:1612:2715:54
12:42
#25870
24M
24.00 mi16:16:494:57:4812:2511:32
11:32
#25811
40K
24.85 mi16:27:435:08:4212:2510:54
12:45
#25784
25.2M
25.20 mi16:31:525:12:5112:254:09
12:02
#25764
Finish
26.22 mi16:43:075:24:0612:2211:15
11:02
#25731
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26419113051130526148(Top 98%)11130(Top 97%)11130(Top 228%)
10K6.21 mi3.10 mi26347+7211259+4611259+4626197(Top 98%)11166(Top 98%)11166(Top 229%)
15K9.32 mi3.11 mi26286+6111223+3611223+3626148(Top 98%)11130(Top 97%)11130(Top 228%)
20K12.43 mi3.11 mi26200+8611165+5811165+5825938(Top 97%)11020(Top 96%)11020(Top 226%)
Half13.11 mi0.68 mi26184+1611154+1111154+1125295(Top 95%)10669(Top 93%)10669(Top 218%)
25K15.53 mi2.42 mi26144+4011132+2211132+2225812(Top 97%)10972(Top 96%)10972(Top 225%)
30K18.64 mi3.11 mi26053+9111087+4511087+4525540(Top 96%)10862(Top 95%)10862(Top 222%)
20M20.00 mi1.36 mi26005+4811057+3011057+3025278(Top 95%)10745(Top 94%)10745(Top 220%)
21M21.00 mi1.00 mi25910+9511008+4911008+4923158(Top 87%)9629(Top 84%)9629(Top 197%)
35K21.75 mi0.75 mi25918-811018-1011018-1025790(Top 97%)11039(Top 97%)11039(Top 226%)
23M23.00 mi1.25 mi25870+4810992+2610992+2624800(Top 93%)10532(Top 92%)10532(Top 216%)
24M24.00 mi1.00 mi25811+5910963+2910963+2923933(Top 90%)10134(Top 89%)10134(Top 207%)
40K24.85 mi0.85 mi25784+2710955+810955+824733(Top 93%)10541(Top 92%)10541(Top 216%)
25.2M25.20 mi0.35 mi25764+2010946+910946+922604(Top 85%)9464(Top 83%)9464(Top 194%)
Finish26.22 mi1.02 mi25731+3310930+1610930+1624060(Top 90%)10192(Top 89%)10192(Top 209%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 98%
×21story building
+97ft-345ft

Overall

26148

Females

11130

F18-39

11130

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

26197

Females

11166

F18-39

11166

10K→15K

6.2 - 9.3 mi

Top 98%
×3story building
+67ft-78ft

Overall

26148

Females

11130

F18-39

11130

15K→20K

9.3 - 12.4 mi

Top 97%
×5story building
+106ft-86ft

Overall

25938

Females

11020

F18-39

11020

20K→Half

12.4 - 13.1 mi

Top 95%
×2story building
+19ft-37ft

Overall

25295

Females

10669

F18-39

10669

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

25812

Females

10972

F18-39

10972

25K→30K

15.5 - 18.6 mi

Top 96%
×9story building
+181ft-148ft

Overall

25540

Females

10862

F18-39

10862

30K→20M

18.6 - 20.0 mi

Top 95%
×5story building
+64ft-50ft

Overall

25278

Females

10745

F18-39

10745

20M→21M

20.0 - 21.0 mi

Top 87%
×8story building
+106ft-24ft

Overall

23158

Females

9629

F18-39

9629

21M→35K

21.0 - 21.8 mi

Top 97%
×7story building
+17ft-86ft

Overall

25790

Females

11039

F18-39

11039

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

24800

Females

10532

F18-39

10532

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

23933

Females

10134

F18-39

10134

24M→40K

24.0 - 24.9 mi

Top 93%
×1story
+6ft-20ft

Overall

24733

Females

10541

F18-39

10541

40K→25.2M

24.9 - 25.2 mi

Top 85%
×1story
+13ft-16ft

Overall

22604

Females

9464

F18-39

9464

25.2M→Finish

25.2 - 26.2 mi

Top 90%
×2story building
+22ft-21ft

Overall

24060

Females

10192

F18-39

10192

Passing Analysis

Category:
Athletes Passed
781
Passed By
93
Net Change
+688
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26419
5K → 10K9018+72#26419#26347
10K → 15K709+61#26347#26286
15K → 20K10115+86#26286#26200
20K → Half160+16#26200#26184
Half → 25K5212+40#26184#26144
25K → 30K1009+91#26144#26053
30K → 20M513+48#26053#26005
20M → 21M950+95#26005#25910
21M → 35K1220-8#25910#25918
35K → 23M491+48#25918#25870
23M → 24M590+59#25870#25811
24M → 40K292+27#25811#25784
40K → 25.2M211+20#25784#25764
25.2M → Finish363+33#25764#25731
TOTALS78193+688
📊

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