Capital Road Race Management
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BOSTON MARATHON 2023

Natasha Bliss

CA

Bib: 165 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 6%
Gender (Female)
#0 / 11423
Top 0.7%
Masters (Masters Women)
#0 / 6539
Top 0.2%
Division (F40-44)
#0 / 1878
Top 0.4%
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
6:07/mi
18:59
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:21/mi
38:43
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:28/mi
58:47
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:29/mi
1:18:57
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:21/mi
1:23:17
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:30/mi
1:39:02
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:37/mi
1:59:35
↑ 181↓ 1480.2%
138 ft elev
20M
6:36/mi
2:08:33
↑ 64↓ 500.2%
148 ft elev
21M
6:57/mi
2:15:30
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:25/mi
2:20:18
↑ 17↓ 861.7%
156 ft elev
23M
6:43/mi
2:28:43
↑ 23↓ 630.6%
116 ft elev
24M
6:28/mi
2:35:11
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:34/mi
2:40:48
↓ 200.3%
20 ft elev
25.2M
7:03/mi
2:43:14
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:21/mi
2:49:42
↑ 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
1:23:176:21 /mi⚡ faster
2nd Half
1:26:256:36 /mi+3.8%
Positive split — 3.8% 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
18:596:073.11 mi18:59
6:07
-
10K
38:436:143.10 mi19:44
6:21
+0:14
15K
58:476:183.11 mi20:04
6:28
+0:07
20K
1:18:576:213.11 mi20:10
6:29
+0:01
Half(13.11 mi)
1:23:176:210.68 mi4:20
6:21
-0:08
25K
1:39:026:232.42 mi15:45
6:30
+0:09
30K
1:59:356:253.11 mi20:33
6:37
+0:07
20M
2:08:336:261.36 mi8:58
6:36
-0:01
21M
2:15:306:271.00 mi6:57
6:57
+0:21
35K
2:20:186:270.75 mi4:48
6:25
-0:32
23M
2:28:436:281.25 mi8:25
6:43
+0:18
24M
2:35:116:281.00 mi6:28
6:28
-0:15
40K
2:40:486:280.85 mi5:37
6:34
+0:06
25.2M
2:43:146:290.35 mi2:26
7:03
+0:29
Finish(26.22 mi)
2:49:426:291.02 mi6:28
6:21
-0:42
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:07 /mi

Average Pace

6:29 /mi

Slowest Pace

7:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:40:19

94% of race

Time at Steady Pace

9:23

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:28 /mi

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

Heatmap

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

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi3.11 mi926535324149696
10K6.21 mi3.10 mi1308-38264-1164-1119978383
15K9.32 mi3.11 mi1616-30871-771-724149696
20K12.43 mi3.11 mi1735-11974-374-322428989
Half13.11 mi0.68 mi1750-1576-276-220437777
25K15.53 mi2.42 mi1791-4177-177-121658686
30K18.64 mi3.11 mi1807-16777720248686
20M20.00 mi1.36 mi1785+22777718718686
21M21.00 mi1.00 mi1776+974+374+319489898
35K21.75 mi0.75 mi1783-774742072102102
23M23.00 mi1.25 mi1788-577-377-32291129129
24M24.00 mi1.00 mi1772+1676+176+11990121121
40K24.85 mi0.85 mi1748+2476761829108108
25.2M25.20 mi0.35 mi1749-177-177-12006118118
Finish26.22 mi1.02 mi1730+1976+176+11833115115

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 9%
×21story building
+97ft-345ft

Overall

2414

Females

96

F40-44

96

5K→10K

3.1 - 6.2 mi

Top 8%
×5story building
+79ft-138ft

Overall

1997

Females

83

F40-44

83

10K→15K

6.2 - 9.3 mi

Top 9%
×3story building
+67ft-78ft

Overall

2414

Females

96

F40-44

96

15K→20K

9.3 - 12.4 mi

Top 8%
×5story building
+106ft-86ft

Overall

2242

Females

89

F40-44

89

20K→Half

12.4 - 13.1 mi

Top 8%
×2story building
+19ft-37ft

Overall

2043

Females

77

F40-44

77

Half→25K

13.1 - 15.5 mi

Top 8%
×4story building
+66ft-88ft

Overall

2165

Females

86

F40-44

86

25K→30K

15.5 - 18.6 mi

Top 8%
×9story building
+181ft-148ft

Overall

2024

Females

86

F40-44

86

30K→20M

18.6 - 20.0 mi

Top 7%
×5story building
+64ft-50ft

Overall

1871

Females

86

F40-44

86

20M→21M

20.0 - 21.0 mi

Top 7%
×8story building
+106ft-24ft

Overall

1948

Females

98

F40-44

98

21M→35K

21.0 - 21.8 mi

Top 8%
×7story building
+17ft-86ft

Overall

2072

Females

102

F40-44

102

35K→23M

21.8 - 23.0 mi

Top 9%
×5story building
+23ft-63ft

Overall

2291

Females

129

F40-44

129

23M→24M

23.0 - 24.0 mi

Top 7%
×6story building
+12ft-82ft

Overall

1990

Females

121

F40-44

121

24M→40K

24.0 - 24.9 mi

Top 7%
×1story
+6ft-20ft

Overall

1829

Females

108

F40-44

108

40K→25.2M

24.9 - 25.2 mi

Top 8%
×1story
+13ft-16ft

Overall

2006

Females

118

F40-44

118

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2story building
+22ft-21ft

Overall

1833

Females

115

F40-44

115

Passing Analysis

Category:
Athletes Passed
348
Passed By
1152
Net Change
-804
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#926
5K → 10K0382-382#926#1308
10K → 15K6314-308#1308#1616
15K → 20K20139-119#1616#1735
20K → Half823-15#1735#1750
Half → 25K2061-41#1750#1791
25K → 30K5268-16#1791#1807
30K → 20M4220+22#1807#1785
20M → 21M3324+9#1785#1776
21M → 35K1825-7#1776#1783
35K → 23M2934-5#1783#1788
23M → 24M3115+16#1788#1772
24M → 40K3713+24#1772#1748
40K → 25.2M1112-1#1748#1749
25.2M → Finish4122+19#1749#1730
TOTALS3481152-804

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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