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BOSTON MARATHON 2023

Tamara Miller

Bib: 26143•F

MA

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Gender (Female)
#0 / 11423
Masters (Masters Women)
#0 / 6539
Division (F40-44)
#0 / 1878
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
10:14/mi
31:48
↑ 97↓ 3451.5%
10K· 6.21 mi
10:07/mi
1:03:14
↑ 79↓ 1380.4%
15K· 9.32 mi
10:02/mi
1:34:25
↑ 67↓ 78
20K· 12.43 mi
10:00/mi
2:05:30
↑ 106↓ 860.1%
Half· 13.11 mi
10:01/mi
2:12:20
↑ 19↓ 370.5%
25K· 15.53 mi
10:39/mi
2:38:09
↑ 66↓ 880.2%
30K· 18.64 mi
11:00/mi
3:12:20
↑ 181↓ 1480.2%
20M
10:53/mi
3:27:07
↑ 64↓ 500.2%
21M
11:38/mi
3:38:45
↑ 106↓ 241.6%
35K· 21.75 mi
11:22/mi
3:47:15
↑ 17↓ 861.7%
23M
11:08/mi
4:01:11
↑ 23↓ 630.6%
24M
11:33/mi
4:12:44
↓ 821.3%
40K· 24.85 mi
10:50/mi
4:22:00
↓ 200.3%
25.2M
12:11/mi
4:26:12
↑ 13↓ 160.2%
Finish· 26.22 mi
10:53/mi
4:37:17
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time2:12:20
Pace10:06 /mi
2nd Half
Distance13.11 mi
Time2:24:57
Pace11:03 /mi
📊Positive Split: 9.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:53:5731:4810:1431:48
10:14
-
10K
6.21 mi12:25:231:03:1410:1131:26
10:07
-0:07
15K
9.32 mi12:56:341:34:2510:0831:11
10:02
-0:05
20K
12.43 mi13:27:392:05:3010:0631:05
10:00
-0:02
Half
13.11 mi13:34:292:12:2010:066:50
10:01
+0:01
25K
15.53 mi14:00:182:38:0910:1125:49
10:39
+0:38
30K
18.64 mi14:34:293:12:2010:1934:11
11:00
+0:21
20M
20.00 mi14:49:163:27:0710:2114:47
10:53
-0:07
21M
21.00 mi15:00:543:38:4510:2511:38
11:38
+0:45
35K
21.75 mi15:09:243:47:1510:278:30
11:22
-0:16
23M
23.00 mi15:23:204:01:1110:2913:56
11:08
-0:14
24M
24.00 mi15:34:534:12:4410:3211:33
11:33
+0:25
40K
24.85 mi15:44:094:22:0010:329:16
10:50
-0:43
25.2M
25.20 mi15:48:214:26:1210:344:12
12:11
+1:21
Finish
26.22 mi15:59:264:37:1710:3511:05
10:53
-1:18

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

10:00 /mi

Average Pace

10:35 /mi

Slowest Pace

12:11 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:12:20

48% of race

Time at Steady Pace

1:49:04

39% of race

Time at Slower Pace

35:53

13% of race

Average Pace: 10:35 /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 mi11:53:5731:4810:1431:48
10:14
#24036
10K
6.21 mi12:25:231:03:1410:1131:26
10:07
#24011
15K
9.32 mi12:56:341:34:2510:0831:11
10:02
#23866
20K
12.43 mi13:27:392:05:3010:0631:05
10:00
#23637
Half
13.11 mi13:34:292:12:2010:066:50
10:01
#23621
25K
15.53 mi14:00:182:38:0910:1125:49
10:39
#23571
30K
18.64 mi14:34:293:12:2010:1934:11
11:00
#23480
20M
20.00 mi14:49:163:27:0710:2114:47
10:53
#23393
21M
21.00 mi15:00:543:38:4510:2511:38
11:38
#23336
35K
21.75 mi15:09:243:47:1510:278:30
11:22
#23348
23M
23.00 mi15:23:204:01:1110:2913:56
11:08
#23308
24M
24.00 mi15:34:534:12:4410:3211:33
11:33
#23354
40K
24.85 mi15:44:094:22:0010:329:16
10:50
#23308
25.2M
25.20 mi15:48:214:26:1210:344:12
12:11
#23294
Finish
26.22 mi15:59:264:37:1710:3511:05
10:53
#23316
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi240369909990923568(Top 89%)9646(Top 84%)9646(Top 514%)
10K6.21 mi3.10 mi24011+259899+109899+1023949(Top 90%)9858(Top 86%)9858(Top 525%)
15K9.32 mi3.11 mi23866+1459814+859814+8523568(Top 89%)9646(Top 84%)9646(Top 514%)
20K12.43 mi3.11 mi23637+2299688+1269688+12622939(Top 86%)9326(Top 82%)9326(Top 497%)
Half13.11 mi0.68 mi23621+169680+89680+823324(Top 88%)9533(Top 83%)9533(Top 508%)
25K15.53 mi2.42 mi23571+509658+229658+2223439(Top 88%)9637(Top 84%)9637(Top 513%)
30K18.64 mi3.11 mi23480+919631+279631+2723100(Top 87%)9511(Top 83%)9511(Top 506%)
20M20.00 mi1.36 mi23393+879600+319600+3122493(Top 84%)9249(Top 81%)9249(Top 492%)
21M21.00 mi1.00 mi23336+579578+229578+2222137(Top 83%)9076(Top 79%)9076(Top 483%)
35K21.75 mi0.75 mi23348-129594-169594-1623907(Top 90%)10081(Top 88%)10081(Top 537%)
23M23.00 mi1.25 mi23308+409583+119583+1122604(Top 85%)9384(Top 82%)9384(Top 500%)
24M24.00 mi1.00 mi23354-469618-359618-3523946(Top 90%)10139(Top 89%)10139(Top 540%)
40K24.85 mi0.85 mi23308+469601+179601+1722028(Top 83%)9167(Top 80%)9167(Top 488%)
25.2M25.20 mi0.35 mi23294+149599+29599+222828(Top 86%)9566(Top 84%)9566(Top 509%)
Finish26.22 mi1.02 mi23316-229617-189617-1823755(Top 89%)10033(Top 88%)10033(Top 534%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 89%
×21story building
+97ft-345ft

Overall

23568

Females

9646

F40-44

9646

5K→10K

3.1 - 6.2 mi

Top 90%
×5story building
+79ft-138ft

Overall

23949

Females

9858

F40-44

9858

10K→15K

6.2 - 9.3 mi

Top 89%
×3story building
+67ft-78ft

Overall

23568

Females

9646

F40-44

9646

15K→20K

9.3 - 12.4 mi

Top 86%
×5story building
+106ft-86ft

Overall

22939

Females

9326

F40-44

9326

20K→Half

12.4 - 13.1 mi

Top 88%
×2story building
+19ft-37ft

Overall

23324

Females

9533

F40-44

9533

Half→25K

13.1 - 15.5 mi

Top 88%
×4story building
+66ft-88ft

Overall

23439

Females

9637

F40-44

9637

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

23100

Females

9511

F40-44

9511

30K→20M

18.6 - 20.0 mi

Top 84%
×5story building
+64ft-50ft

Overall

22493

Females

9249

F40-44

9249

20M→21M

20.0 - 21.0 mi

Top 83%
×8story building
+106ft-24ft

Overall

22137

Females

9076

F40-44

9076

21M→35K

21.0 - 21.8 mi

Top 90%
×7story building
+17ft-86ft

Overall

23907

Females

10081

F40-44

10081

35K→23M

21.8 - 23.0 mi

Top 85%
×5story building
+23ft-63ft

Overall

22604

Females

9384

F40-44

9384

23M→24M

23.0 - 24.0 mi

Top 90%
×6story building
+12ft-82ft

Overall

23946

Females

10139

F40-44

10139

24M→40K

24.0 - 24.9 mi

Top 83%
×1story
+6ft-20ft

Overall

22028

Females

9167

F40-44

9167

40K→25.2M

24.9 - 25.2 mi

Top 86%
×1story
+13ft-16ft

Overall

22828

Females

9566

F40-44

9566

25.2M→Finish

25.2 - 26.2 mi

Top 89%
×2story building
+22ft-21ft

Overall

23755

Females

10033

F40-44

10033

Passing Analysis

Category:
Athletes Passed
1347
Passed By
627
Net Change
+720
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#24036
5K → 10K210185+25#24036#24011
10K → 15K20156+145#24011#23866
15K → 20K25526+229#23866#23637
20K → Half2711+16#23637#23621
Half → 25K11565+50#23621#23571
25K → 30K14150+91#23571#23480
30K → 20M10215+87#23480#23393
20M → 21M7821+57#23393#23336
21M → 35K2234-12#23336#23348
35K → 23M6525+40#23348#23308
23M → 24M2066-46#23308#23354
24M → 40K5812+46#23354#23308
40K → 25.2M2410+14#23308#23294
25.2M → Finish2951-22#23294#23316
TOTALS1347627+720
📊

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