Capital Road Race Management
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BOSTON MARATHON 2023

Yanxing Ma

CA

Bib: 8111 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 26622
Top 10%
Gender (Female)
#0 / 11423
Top 1%
Masters (Masters Women)
#0 / 6539
Top 0.3%
Division (F45-49)
#0 / 1817
Top 0.2%
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
6:14/mi
19:23
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:19/mi
39:01
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:32/mi
59:19
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:43/mi
1:20:10
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:39/mi
1:24:42
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:45/mi
1:41:03
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:58/mi
2:02:41
↑ 181↓ 1480.2%
138 ft elev
20M
7:00/mi
2:12:12
↑ 64↓ 500.2%
148 ft elev
21M
7:16/mi
2:19:28
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:41/mi
2:24:28
↑ 17↓ 861.7%
156 ft elev
23M
6:54/mi
2:33:06
↑ 23↓ 630.6%
116 ft elev
24M
6:36/mi
2:39:42
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:47/mi
2:45:30
↓ 200.3%
20 ft elev
25.2M
7:24/mi
2:48:03
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:49/mi
2:55:00
↑ 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
1:24:426:28 /mi⚡ faster
2nd Half
1:30:186:53 /mi+6.6%
Positive split — 6.6% 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
19:236:143.11 mi19:23
6:14
-
10K
39:016:173.10 mi19:38
6:19
+0:05
15K
59:196:223.11 mi20:18
6:32
+0:13
20K
1:20:106:273.11 mi20:51
6:43
+0:11
Half(13.11 mi)
1:24:426:280.68 mi4:32
6:39
-0:04
25K
1:41:036:302.42 mi16:21
6:45
+0:06
30K
2:02:416:353.11 mi21:38
6:58
+0:13
20M
2:12:126:371.36 mi9:31
7:00
+0:02
21M
2:19:286:381.00 mi7:16
7:16
+0:16
35K
2:24:286:390.75 mi5:00
6:41
-0:35
23M
2:33:066:391.25 mi8:38
6:54
+0:13
24M
2:39:426:391.00 mi6:36
6:36
-0:18
40K
2:45:306:400.85 mi5:48
6:47
+0:11
25.2M
2:48:036:400.35 mi2:33
7:24
+0:37
Finish(26.22 mi)
2:55:006:411.02 mi6:57
6:49
-0:35
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

6:14 /mi

Average Pace

6:41 /mi

Slowest Pace

7:24 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

2:05:24

72% of race

Time at Steady Pace

47:03

27% of race

Time at Slower Pace

2:33

1% of race

Average Pace: 6:40 /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. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi124764642864125125
10K3.10 mi1491-24468-468-418547878
15K3.11 mi1848-35779-1179-112864125125
20K3.11 mi2202-35491-1291-123679195195
Half(13.11 mi)0.68 mi2262-6092-192-13905217217
25K2.42 mi2439-177100-8100-83718214214
30K3.11 mi2648-209118-18118-184112271271
20M1.36 mi2697-491181184077298298
21M1.00 mi2689+81181183470241241
35K0.75 mi2703-141181183516248248
23M1.25 mi2705-2119-1119-13225222222
24M1.00 mi2666+39120-1120-12598171171
40K0.85 mi2652+141201202780215215
25.2M0.35 mi2652122-2122-23455318318
Finish(26.22 mi)1.02 mi2691-39128-6128-64211497497

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 11%
×21story building
+97ft-345ft

Overall

2864

Females

125

F45-49

125

5K→10K

3.1 - 6.2 mi

Top 7%
×5story building
+79ft-138ft

Overall

1854

Females

78

F45-49

78

10K→15K

6.2 - 9.3 mi

Top 11%
×3story building
+67ft-78ft

Overall

2864

Females

125

F45-49

125

15K→20K

9.3 - 12.4 mi

Top 14%
×5story building
+106ft-86ft

Overall

3679

Females

195

F45-49

195

20K→Half

12.4 - 13.1 mi

Top 15%
×2story building
+19ft-37ft

Overall

3905

Females

217

F45-49

217

Half→25K

13.1 - 15.5 mi

Top 14%
×4story building
+66ft-88ft

Overall

3718

Females

214

F45-49

214

25K→30K

15.5 - 18.6 mi

Top 15%
×9story building
+181ft-148ft

Overall

4112

Females

271

F45-49

271

30K→20M

18.6 - 20.0 mi

Top 15%
×5story building
+64ft-50ft

Overall

4077

Females

298

F45-49

298

20M→21M

20.0 - 21.0 mi

Top 13%
×8story building
+106ft-24ft

Overall

3470

Females

241

F45-49

241

21M→35K

21.0 - 21.8 mi

Top 13%
×7story building
+17ft-86ft

Overall

3516

Females

248

F45-49

248

35K→23M

21.8 - 23.0 mi

Top 12%
×5story building
+23ft-63ft

Overall

3225

Females

222

F45-49

222

23M→24M

23.0 - 24.0 mi

Top 10%
×6story building
+12ft-82ft

Overall

2598

Females

171

F45-49

171

24M→40K

24.0 - 24.9 mi

Top 10%
×1story
+6ft-20ft

Overall

2780

Females

215

F45-49

215

40K→25.2M

24.9 - 25.2 mi

Top 13%
×1story
+13ft-16ft

Overall

3455

Females

318

F45-49

318

25.2M→Finish

25.2 - 26.2 mi

Top 16%
×2story building
+22ft-21ft

Overall

4211

Females

497

F45-49

497

Passing Analysis

Category:
Passed
343
Passed By
1787
Net Change
-1444
SegmentPassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#1247
5K → 10K13257-244#1247#1491
10K → 15K6363-357#1491#1848
15K → 20K12366-354#1848#2202
20K → Half262-60#2202#2262
Half → 25K14191-177#2262#2439
25K → 30K19228-209#2439#2648
30K → 20M2877-49#2648#2697
20M → 21M3527+8#2697#2689
21M → 35K2034-14#2689#2703
35K → 23M5052-2#2703#2705
23M → 24M6728+39#2705#2666
24M → 40K3824+14#2666#2652
40K → 25.2M12120#2652#2652
25.2M → Finish2766-39#2652#2691
TOTALS3431787-1444

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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