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BOSTON MARATHON 2023

Marta Amor-Baker

Bib: 25082•F

CT

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F55-59)
#0 / 815
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
11:01/mi
34:15
↑ 97↓ 3451.5%
10K· 6.21 mi
11:44/mi
1:10:43
↑ 79↓ 1380.4%
15K· 9.32 mi
11:34/mi
1:46:38
↑ 67↓ 78
20K· 12.43 mi
12:33/mi
2:25:38
↑ 106↓ 860.1%
Half· 13.11 mi
12:35/mi
2:34:13
↑ 19↓ 370.5%
25K· 15.53 mi
12:43/mi
3:05:02
↑ 66↓ 880.2%
30K· 18.64 mi
12:59/mi
3:45:21
↑ 181↓ 1480.2%
20M
12:42/mi
4:02:36
↑ 64↓ 500.2%
21M
13:49/mi
4:16:25
↑ 106↓ 241.6%
35K· 21.75 mi
12:04/mi
4:25:27
↑ 17↓ 861.7%
23M
12:45/mi
4:41:25
↑ 23↓ 630.6%
24M
11:57/mi
4:53:22
↓ 821.3%
40K· 24.85 mi
12:26/mi
5:04:00
↓ 200.3%
25.2M
13:06/mi
5:08:31
↑ 13↓ 160.2%
Finish· 26.22 mi
12:00/mi
5:20:45
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:34:13
Pace11:46 /mi
2nd Half
Distance13.11 mi
Time2:46:32
Pace12:42 /mi
📊Positive Split: 8.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:58:1834:1511:0134:15
11:01
-
10K
6.21 mi12:34:461:10:4311:2336:28
11:44
+0:43
15K
9.32 mi13:10:411:46:3811:2635:55
11:34
-0:10
20K
12.43 mi13:49:412:25:3811:4339:00
12:33
+0:59
Half
13.11 mi13:58:162:34:1311:468:35
12:35
+0:02
25K
15.53 mi14:29:053:05:0211:5530:49
12:43
+0:08
30K
18.64 mi15:09:243:45:2112:0540:19
12:59
+0:16
20M
20.00 mi15:26:394:02:3612:0817:15
12:42
-0:17
21M
21.00 mi15:40:284:16:2512:1313:49
13:49
+1:07
35K
21.75 mi15:49:304:25:2712:129:02
12:04
-1:45
23M
23.00 mi16:05:284:41:2512:1415:58
12:45
+0:41
24M
24.00 mi16:17:254:53:2212:1311:57
11:57
-0:48
40K
24.85 mi16:28:035:04:0012:1410:38
12:26
+0:29
25.2M
25.20 mi16:32:345:08:3112:154:31
13:06
+0:40
Finish
26.22 mi16:44:485:20:4512:1512:14
12:00
-1:06

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

11:01 /mi

Average Pace

12:15 /mi

Slowest Pace

13:49 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:19:51

44% of race

Time at Steady Pace

2:02:15

38% of race

Time at Slower Pace

58:39

18% of race

Average Pace: 12:14 /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 mi11:58:1834:1511:0134:15
11:01
#25713
10K
6.21 mi12:34:461:10:4311:2336:28
11:44
#25999
15K
9.32 mi13:10:411:46:3811:2635:55
11:34
#25932
20K
12.43 mi13:49:412:25:3811:4339:00
12:33
#25970
Half
13.11 mi13:58:162:34:1311:468:35
12:35
#25988
25K
15.53 mi14:29:053:05:0211:5530:49
12:43
#25939
30K
18.64 mi15:09:243:45:2112:0540:19
12:59
#25855
20M
20.00 mi15:26:394:02:3612:0817:15
12:42
#25795
21M
21.00 mi15:40:284:16:2512:1313:49
13:49
#25764
35K
21.75 mi15:49:304:25:2712:129:02
12:04
#25739
23M
23.00 mi16:05:284:41:2512:1415:58
12:45
#25713
24M
24.00 mi16:17:254:53:2212:1311:57
11:57
#25678
40K
24.85 mi16:28:035:04:0012:1410:38
12:26
#25649
25.2M
25.20 mi16:32:345:08:3112:154:31
13:06
#25621
Finish
26.22 mi16:44:485:20:4512:1512:14
12:00
#25620
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi25713108611086125757(Top 97%)10898(Top 95%)10898(Top 1337%)
10K6.21 mi3.10 mi25999-28611042-18111042-18126115(Top 98%)11117(Top 97%)11117(Top 1364%)
15K9.32 mi3.11 mi25932+6711004+3811004+3825757(Top 97%)10898(Top 95%)10898(Top 1337%)
20K12.43 mi3.11 mi25970-3811020-1611020-1625996(Top 98%)11056(Top 97%)11056(Top 1357%)
Half13.11 mi0.68 mi25988-1811030-1011030-1026201(Top 98%)11180(Top 98%)11180(Top 1372%)
25K15.53 mi2.42 mi25939+4911011+1911011+1925705(Top 97%)10909(Top 96%)10909(Top 1339%)
30K18.64 mi3.11 mi25855+8410967+4410967+4425390(Top 95%)10788(Top 94%)10788(Top 1324%)
20M20.00 mi1.36 mi25795+6010942+2510942+2524920(Top 94%)10563(Top 92%)10563(Top 1296%)
21M21.00 mi1.00 mi25764+3110927+1510927+1524887(Top 93%)10552(Top 92%)10552(Top 1295%)
35K21.75 mi0.75 mi25739+2510915+1210915+1224757(Top 93%)10537(Top 92%)10537(Top 1293%)
23M23.00 mi1.25 mi25713+2610908+710908+724856(Top 93%)10564(Top 92%)10564(Top 1296%)
24M24.00 mi1.00 mi25678+3510893+1510893+1524465(Top 92%)10416(Top 91%)10416(Top 1278%)
40K24.85 mi0.85 mi25649+2910879+1410879+1424384(Top 92%)10385(Top 91%)10385(Top 1274%)
25.2M25.20 mi0.35 mi25621+2810863+1610863+1624108(Top 91%)10247(Top 90%)10247(Top 1257%)
Finish26.22 mi1.02 mi25620+110867-410867-425240(Top 95%)10789(Top 94%)10789(Top 1324%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 97%
×21story building
+97ft-345ft

Overall

25757

Females

10898

F55-59

10898

5K→10K

3.1 - 6.2 mi

Top 98%
×5story building
+79ft-138ft

Overall

26115

Females

11117

F55-59

11117

10K→15K

6.2 - 9.3 mi

Top 97%
×3story building
+67ft-78ft

Overall

25757

Females

10898

F55-59

10898

15K→20K

9.3 - 12.4 mi

Top 98%
×5story building
+106ft-86ft

Overall

25996

Females

11056

F55-59

11056

20K→Half

12.4 - 13.1 mi

Top 98%
×2story building
+19ft-37ft

Overall

26201

Females

11180

F55-59

11180

Half→25K

13.1 - 15.5 mi

Top 97%
×4story building
+66ft-88ft

Overall

25705

Females

10909

F55-59

10909

25K→30K

15.5 - 18.6 mi

Top 95%
×9story building
+181ft-148ft

Overall

25390

Females

10788

F55-59

10788

30K→20M

18.6 - 20.0 mi

Top 94%
×5story building
+64ft-50ft

Overall

24920

Females

10563

F55-59

10563

20M→21M

20.0 - 21.0 mi

Top 93%
×8story building
+106ft-24ft

Overall

24887

Females

10552

F55-59

10552

21M→35K

21.0 - 21.8 mi

Top 93%
×7story building
+17ft-86ft

Overall

24757

Females

10537

F55-59

10537

35K→23M

21.8 - 23.0 mi

Top 93%
×5story building
+23ft-63ft

Overall

24856

Females

10564

F55-59

10564

23M→24M

23.0 - 24.0 mi

Top 92%
×6story building
+12ft-82ft

Overall

24465

Females

10416

F55-59

10416

24M→40K

24.0 - 24.9 mi

Top 92%
×1story
+6ft-20ft

Overall

24384

Females

10385

F55-59

10385

40K→25.2M

24.9 - 25.2 mi

Top 91%
×1story
+13ft-16ft

Overall

24108

Females

10247

F55-59

10247

25.2M→Finish

25.2 - 26.2 mi

Top 95%
×2story building
+22ft-21ft

Overall

25240

Females

10789

F55-59

10789

Passing Analysis

Category:
Athletes Passed
621
Passed By
528
Net Change
+93
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#25713
5K → 10K29315-286#25713#25999
10K → 15K9932+67#25999#25932
15K → 20K4179-38#25932#25970
20K → Half1230-18#25970#25988
Half → 25K6617+49#25988#25939
25K → 30K9410+84#25939#25855
30K → 20M688+60#25855#25795
20M → 21M354+31#25795#25764
21M → 35K283+25#25764#25739
35K → 23M3610+26#25739#25713
23M → 24M361+35#25713#25678
24M → 40K301+29#25678#25649
40K → 25.2M302+28#25649#25621
25.2M → Finish1716+1#25621#25620
TOTALS621528+93
📊

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