Capital Road Race Management
Boston Marathon logo
BOSTON MARATHON 2025

Laurie Knowles

GA

Bib: 173 F

0:00
0:00
/ mi
Masters
Be the first to cheer!
Overall
#0 / 28404
Top 6%
Gender (Female)
#0 / 12228
Top 0.6%
Masters (Masters Women)
#0 / 6759
Top 0.2%
Division (F45-49)
#0 / 1813
Top 0.2%
Race Day Weather
50°/40°F
broken clouds

Race Timeline

Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
469 ft elev
5K· 3.11 mi
5:54/mi
18:20
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:03/mi
37:09
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:10/mi
56:18
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:19/mi
1:15:55
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:14/mi
1:20:10
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:21/mi
1:35:34
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
6:31/mi
1:55:50
↑ 181↓ 1480.2%
138 ft elev
20M
6:42/mi
2:04:56
↑ 64↓ 500.2%
148 ft elev
21M
7:09/mi
2:12:05
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:36/mi
2:17:01
↑ 17↓ 861.7%
156 ft elev
23M
6:45/mi
2:25:28
↑ 23↓ 630.6%
116 ft elev
24M
6:31/mi
2:31:59
↓ 821.3%
34 ft elev
40K· 24.85 mi
6:32/mi
2:37:34
↓ 200.3%
20 ft elev
25.2M
6:58/mi
2:39:58
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
6:21/mi
2:46:26
↑ 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
1:20:106:07 /mi⚡ faster
2nd Half
1:26:166:35 /mi+7.6%
Positive split — 7.6% 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
18:205:543.11 mi18:20
5:54
-
10K
37:095:593.10 mi18:49
6:03
+0:09
15K
56:186:023.11 mi19:09
6:10
+0:07
20K
1:15:556:073.11 mi19:37
6:19
+0:09
Half(13.11 mi)
1:20:106:070.68 mi4:15
6:14
-0:05
25K
1:35:346:092.42 mi15:24
6:21
+0:07
30K
1:55:506:133.11 mi20:16
6:31
+0:10
20M
2:04:566:151.36 mi9:06
6:42
+0:11
21M
2:12:056:171.00 mi7:09
7:09
+0:27
35K
2:17:016:180.75 mi4:56
6:36
-0:33
23M
2:25:286:191.25 mi8:27
6:45
+0:09
24M
2:31:596:201.00 mi6:31
6:31
-0:14
40K
2:37:346:200.85 mi5:35
6:32
+0:01
25.2M
2:39:586:210.35 mi2:24
6:58
+0:26
Finish(26.22 mi)
2:46:266:211.02 mi6:28
6:21
-0:37
Trend:
Faster pace
Steady pace
Slower pace

Checkpoints & Pacing

Pace Line

Fastest Pace

5:54 /mi

Average Pace

6:21 /mi

Slowest Pace

7:09 /mi

Loading chart...
Fastest
Middle
Slowest
Average

Segments

Time at Faster Pace

1:42:02

61% of race

Time at Steady Pace

37:18

22% of race

Time at Slower Pace

27:06

16% of race

Average Pace: 6:21 /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. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi799505016817878
10K6.21 mi3.10 mi1016-21756-656-613196363
15K9.32 mi3.11 mi1172-15659-359-316817878
20K12.43 mi3.11 mi1373-20165-665-620849090
Half13.11 mi0.68 mi1398-25656521939191
25K15.53 mi2.42 mi1477-7971-671-621239696
30K18.64 mi3.11 mi1554-7775-475-420979898
20M20.00 mi1.36 mi1583-2976-176-12474131131
21M21.00 mi1.00 mi1630-4779-379-32937204204
35K21.75 mi0.75 mi1662-3280-180-12974220220
23M23.00 mi1.25 mi1665-383-383-32487173173
24M24.00 mi1.00 mi1658+781+281+22142145145
40K24.85 mi0.85 mi1630+2880+180+11751124124
25.2M25.20 mi0.35 mi1612+1880801419109109
Finish26.22 mi1.02 mi1606+679+179+12103166166

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 6%
×21story building
+97ft-345ft

Overall

1681

Females

78

F45-49

78

5K→10K

3.1 - 6.2 mi

Top 5%
×5story building
+79ft-138ft

Overall

1319

Females

63

F45-49

63

10K→15K

6.2 - 9.3 mi

Top 6%
×3story building
+67ft-78ft

Overall

1681

Females

78

F45-49

78

15K→20K

9.3 - 12.4 mi

Top 7%
×5story building
+106ft-86ft

Overall

2084

Females

90

F45-49

90

20K→Half

12.4 - 13.1 mi

Top 8%
×2story building
+19ft-37ft

Overall

2193

Females

91

F45-49

91

Half→25K

13.1 - 15.5 mi

Top 7%
×4story building
+66ft-88ft

Overall

2123

Females

96

F45-49

96

25K→30K

15.5 - 18.6 mi

Top 7%
×9story building
+181ft-148ft

Overall

2097

Females

98

F45-49

98

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2474

Females

131

F45-49

131

20M→21M

20.0 - 21.0 mi

Top 10%
×8story building
+106ft-24ft

Overall

2937

Females

204

F45-49

204

21M→35K

21.0 - 21.8 mi

Top 10%
×7story building
+17ft-86ft

Overall

2974

Females

220

F45-49

220

35K→23M

21.8 - 23.0 mi

Top 9%
×5story building
+23ft-63ft

Overall

2487

Females

173

F45-49

173

23M→24M

23.0 - 24.0 mi

Top 8%
×6story building
+12ft-82ft

Overall

2142

Females

145

F45-49

145

24M→40K

24.0 - 24.9 mi

Top 6%
×1story
+6ft-20ft

Overall

1751

Females

124

F45-49

124

40K→25.2M

24.9 - 25.2 mi

Top 5%
×1story
+13ft-16ft

Overall

1419

Females

109

F45-49

109

25.2M→Finish

25.2 - 26.2 mi

Top 7%
×2story building
+22ft-21ft

Overall

2103

Females

166

F45-49

166

Passing Analysis

Category:
Athletes Passed
330
Passed By
1137
Net Change
-807
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#799
5K → 10K7224-217#799#1016
10K → 15K7163-156#1016#1172
15K → 20K10211-201#1172#1373
20K → Half126-25#1373#1398
Half → 25K26105-79#1398#1477
25K → 30K42119-77#1477#1554
30K → 20M2655-29#1554#1583
20M → 21M2471-47#1583#1630
21M → 35K1143-32#1630#1662
35K → 23M4245-3#1662#1665
23M → 24M3528+7#1665#1658
24M → 40K4517+28#1658#1630
40K → 25.2M202+18#1630#1612
25.2M → Finish3428+6#1612#1606
TOTALS3301137-807

Passing Charts

Category:
Loading...

Passing Circle

Loading...

Position Flow

Loading...

Race Lanes

Loading...

Upload your GPX file

Supports Garmin, Apple Watch, Polar, Suunto, COROS, Strava, and other apps

.gpx files up to 10MB

Export Track Data

Download your race performance as a GPX or TCX file to import into Strava, Garmin Connect, or other fitness apps.

Questions or issues regarding timing data?

If you notice any discrepancies in your timing data or have questions about your results, our support team can help.

Contact Race Support