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BOSTON MARATHON 2023

Riva Muehlbauer

WA

Bib: 3501 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 8%
Gender (Female)
#0 / 11423
Top 0.8%
Masters (Masters Women)
#0 / 6539
Top 0.2%
Division (F40-44)
#0 / 1878
Top 0.5%
Race Day Weather
49°/39°F
light intensity drizzle

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Mile 2
Mile 4
Mile 8
Mile 10
Mile 14
Start
0:00
Race begins
5K· 3.11 mi
6:30/mi
20:11
↑ 97↓ 345
10K· 6.21 mi
6:27/mi
40:14
↑ 79↓ 138
15K· 9.32 mi
6:30/mi
1:00:25
↑ 67↓ 78
20K· 12.43 mi
6:33/mi
1:20:47
↑ 106↓ 86
Half· 13.11 mi
6:24/mi
1:25:09
↑ 19↓ 37
25K· 15.53 mi
6:33/mi
1:41:01
↑ 66↓ 88
30K· 18.64 mi
6:45/mi
2:01:58
↑ 181↓ 148
20M
6:43/mi
2:11:05
↑ 64↓ 50
21M
7:06/mi
2:18:11
↑ 106↓ 24
35K· 21.75 mi
6:33/mi
2:23:05
↑ 17↓ 86
23M
6:41/mi
2:31:27
↑ 23↓ 63
24M
6:25/mi
2:37:52
↓ 82
40K· 24.85 mi
6:39/mi
2:43:33
↓ 20
25.2M
6:55/mi
2:45:56
↑ 13↓ 16
Finish· 26.22 mi
6:23/mi
2:52:26
↑ 22↓ 21
Course Elevation
890ft
Total climb
462ft
Range
7 to 469 ft
1,342ft
Total descent
About the height of two redwood trees

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The Course

Half Splits

1st Half· via Half
1:25:096:30 /mi⚡ faster
2nd Half
1:27:176:39 /mi+2.5%
Positive split — 2.5% slower in the second half
AI Race Performance Report

Riva's race, broken down like a coach

The full Race Story, performance analysis, segment & passing breakdowns, and where the race turned. Free to unlock — for anyone.

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Checkpoint Splits

CheckpointTimeAvg PaceSegment LengthSegment TimeSegment PaceTrendDiff
5K
20:116:303.11 mi20:11
6:30
-
10K
40:146:283.10 mi20:03
6:27
-0:03
15K
1:00:256:293.11 mi20:11
6:30
+0:03
20K
1:20:476:303.11 mi20:22
6:33
+0:03
Half(13.11 mi)
1:25:096:300.68 mi4:22
6:24
-0:09
25K
1:41:016:302.42 mi15:52
6:33
+0:09
30K
2:01:586:333.11 mi20:57
6:45
+0:12
20M
2:11:056:331.36 mi9:07
6:43
-0:02
21M
2:18:116:351.00 mi7:06
7:06
+0:23
35K
2:23:056:350.75 mi4:54
6:33
-0:33
23M
2:31:276:351.25 mi8:22
6:41
+0:08
24M
2:37:526:351.00 mi6:25
6:25
-0:16
40K
2:43:336:350.85 mi5:41
6:39
+0:14
25.2M
2:45:566:350.35 mi2:23
6:55
+0:16
Finish(26.22 mi)
2:52:266:351.02 mi6:30
6:23
-0:32
Trend:
Faster pace
Steady pace
Slower pace
More below

See the rest of Riva's race

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Checkpoints & Pacing

Pace Line

Fastest Pace

6:23 /mi

Average Pace

6:35 /mi

Slowest Pace

7:06 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:45:20

96% of race

Time at Steady Pace

7:06

4% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:35 /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

CheckpointSeg. DistOverallFemalesF40-44Seg. OverallSeg. FemalesSeg. F40-44
5K3.11 mi22681031032626111111
10K3.10 mi2360-92105-2105-22524109109
15K3.11 mi2452-92106-1106-12626111111
20K3.11 mi2456-4101+5101+52604111111
Half(13.11 mi)0.68 mi2441+1599+299+222839191
25K2.42 mi2427+1499992409100100
30K3.11 mi2440-13102-3102-32659131131
20M1.36 mi2407+33101+1101+12337116116
21M1.00 mi2393+1499+299+22648153153
35K0.75 mi2379+1499992749156156
23M1.25 mi2343+3697+297+22127113113
24M1.00 mi2300+4396+196+117749999
40K0.85 mi2266+3493+393+32138138138
25.2M0.35 mi2232+3490+390+315398888
Finish(26.22 mi)1.02 mi2191+4190901957128128

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 10%
469 ft222 ft
↑ 97ft↓ 345ft
248 ft

Overall

2626

Females

111

F40-44

111

5K→10K

3.1 - 6.2 mi

Top 9%
216 ft157 ft
↑ 79ft↓ 138ft
59 ft

Overall

2524

Females

109

F40-44

109

10K→15K

6.2 - 9.3 mi

Top 10%
157 ft146 ft
↑ 67ft↓ 78ft
34 ft

Overall

2626

Females

111

F40-44

111

15K→20K

9.3 - 12.4 mi

Top 10%
147 ft167 ft
↑ 106ft↓ 86ft
63 ft

Overall

2604

Females

111

F40-44

111

20K→Half

12.4 - 13.1 mi

Top 9%
165 ft147 ft
↑ 19ft↓ 37ft
30 ft

Overall

2283

Females

91

F40-44

91

Half→25K

13.1 - 15.5 mi

Top 9%
148 ft126 ft
↑ 66ft↓ 88ft
44 ft

Overall

2409

Females

100

F40-44

100

25K→30K

15.5 - 18.6 mi

Top 10%
106 ft139 ft
↑ 181ft↓ 148ft
109 ft

Overall

2659

Females

131

F40-44

131

30K→20M

18.6 - 20.0 mi

Top 9%
134 ft148 ft
↑ 64ft↓ 50ft
56 ft

Overall

2337

Females

116

F40-44

116

20M→21M

20.0 - 21.0 mi

Top 10%
147 ft230 ft
↑ 106ft↓ 24ft
97 ft

Overall

2648

Females

153

F40-44

153

21M→35K

21.0 - 21.8 mi

Top 10%
223 ft154 ft
↑ 17ft↓ 86ft
78 ft

Overall

2749

Females

156

F40-44

156

35K→23M

21.8 - 23.0 mi

Top 8%
158 ft119 ft
↑ 23ft↓ 63ft
63 ft

Overall

2127

Females

113

F40-44

113

23M→24M

23.0 - 24.0 mi

Top 7%
115 ft45 ft
↑ 12ft↓ 82ft
70 ft

Overall

1774

Females

99

F40-44

99

24M→40K

24.0 - 24.9 mi

Top 8%
31 ft17 ft
↑ 6ft↓ 20ft
15 ft

Overall

2138

Females

138

F40-44

138

40K→25.2M

24.9 - 25.2 mi

Top 6%
22 ft19 ft
↑ 13ft↓ 16ft
16 ft

Overall

1539

Females

88

F40-44

88

25.2M→Finish

25.2 - 26.2 mi

Top 7%
16 ft17 ft
↑ 22ft↓ 21ft
19 ft

Overall

1957

Females

128

F40-44

128

Passing Analysis

No position changes recorded for this athlete.

Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing