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BOSTON MARATHON 2025

Genevieve Roston

CA

Bib: 31574 F

0:00
0:00
/ mi
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Division (F18-39)
#0 / 5469
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
10:25/mi
32:22
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
10:59/mi
1:06:29
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
11:06/mi
1:40:58
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
11:43/mi
2:17:23
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
10:51/mi
2:24:47
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
11:59/mi
2:53:51
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
11:22/mi
3:29:11
↑ 181↓ 1480.2%
138 ft elev
20M
11:24/mi
3:44:40
↑ 64↓ 500.2%
148 ft elev
21M
12:21/mi
3:57:01
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
9:40/mi
4:04:15
↑ 17↓ 861.7%
156 ft elev
23M
10:13/mi
4:17:02
↑ 23↓ 630.6%
116 ft elev
24M
9:43/mi
4:26:45
↓ 821.3%
34 ft elev
40K· 24.85 mi
10:00/mi
4:35:18
↓ 200.3%
20 ft elev
25.2M
10:38/mi
4:38:58
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
9:20/mi
4:48:29
↑ 22↓ 21
17 ft elev
Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent

The Course

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Half Splits

1st Half· via Half⚖️ Balanced
Distance13.11 mi
Time2:24:47
Pace11:03 /mi
2nd Half⚖️ Balanced
Distance13.11 mi
Time2:23:42
Pace10:58 /mi
📊Even Split: Consistent pacing between halves

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:54:4932:2210:2532:22
10:25
-
10K
6.21 mi12:28:561:06:2910:4234:07
10:59
+0:34
15K
9.32 mi13:03:251:40:5810:5034:29
11:06
+0:07
20K
12.43 mi13:39:502:17:2311:0336:25
11:43
+0:37
Half
13.11 mi13:47:142:24:4711:037:24
10:51
-0:52
25K
15.53 mi14:16:182:53:5111:1129:04
11:59
+1:08
30K
18.64 mi14:51:383:29:1111:1335:20
11:22
-0:37
20M
20.00 mi15:07:073:44:4011:1415:29
11:24
+0:02
21M
21.00 mi15:19:283:57:0111:1712:21
12:21
+0:57
35K
21.75 mi15:26:424:04:1511:147:14
9:40
-2:41
23M
23.00 mi15:39:294:17:0211:1112:47
10:13
+0:33
24M
24.00 mi15:49:124:26:4511:079:43
9:43
-0:30
40K
24.85 mi15:57:454:35:1811:058:33
10:00
+0:17
25.2M
25.20 mi16:01:254:38:5811:043:40
10:38
+0:38
Finish
26.22 mi16:10:564:48:2911:019:31
9:20
-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

9:20 /mi

Average Pace

11:01 /mi

Slowest Pace

12:21 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

1:20:10

28% of race

Time at Steady Pace

1:19:40

28% of race

Time at Slower Pace

2:08:39

45% of race

Average Pace: 11:00 /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 mi11:54:4932:2210:2532:22
10:25
#26575
10K
6.21 mi12:28:561:06:2910:4234:07
10:59
#26846
15K
9.32 mi13:03:251:40:5810:5034:29
11:06
#26839
20K
12.43 mi13:39:502:17:2311:0336:25
11:43
#26861
Half
13.11 mi13:47:142:24:4711:037:24
10:51
#26830
25K
15.53 mi14:16:182:53:5111:1129:04
11:59
#26768
30K
18.64 mi14:51:383:29:1111:1335:20
11:22
#26418
20M
20.00 mi15:07:073:44:4011:1415:29
11:24
#26267
21M
21.00 mi15:19:283:57:0111:1712:21
12:21
#26176
35K
21.75 mi15:26:424:04:1511:147:14
9:40
#26044
23M
23.00 mi15:39:294:17:0211:1112:47
10:13
#25852
24M
24.00 mi15:49:124:26:4511:079:43
9:43
#25718
40K
24.85 mi15:57:454:35:1811:058:33
10:00
#25593
25.2M
25.20 mi16:01:254:38:5811:043:40
10:38
#25522
Finish
26.22 mi16:10:564:48:2911:019:31
9:20
#25379
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi26575110851108526794(Top 94%)11249(Top 92%)11249(Top 206%)
10K6.21 mi3.10 mi26846-27111248-16311248-16327042(Top 95%)11395(Top 93%)11395(Top 208%)
15K9.32 mi3.11 mi26839+711257-911257-926794(Top 94%)11249(Top 92%)11249(Top 206%)
20K12.43 mi3.11 mi26861-2211278-2111278-2126861(Top 95%)11309(Top 92%)11309(Top 207%)
Half13.11 mi0.68 mi26830+3111262+1611262+1626303(Top 93%)10996(Top 90%)10996(Top 201%)
25K15.53 mi2.42 mi26768+6211241+2111241+2126415(Top 93%)11086(Top 91%)11086(Top 203%)
30K18.64 mi3.11 mi26418+35011053+18811053+18824651(Top 87%)10209(Top 83%)10209(Top 187%)
20M20.00 mi1.36 mi26267+15110983+7010983+7024343(Top 86%)10139(Top 83%)10139(Top 185%)
21M21.00 mi1.00 mi26176+9110946+3710946+3724167(Top 85%)10119(Top 83%)10119(Top 185%)
35K21.75 mi0.75 mi26044+13210881+6510881+6520873(Top 73%)8443(Top 69%)8443(Top 154%)
23M23.00 mi1.25 mi25852+19210781+10010781+10021125(Top 74%)8624(Top 71%)8624(Top 158%)
24M24.00 mi1.00 mi25718+13410731+5010731+5020423(Top 72%)8315(Top 68%)8315(Top 152%)
40K24.85 mi0.85 mi25593+12510679+5210679+5220434(Top 72%)8382(Top 69%)8382(Top 153%)
25.2M25.20 mi0.35 mi25522+7110647+3210647+3219383(Top 68%)7871(Top 64%)7871(Top 144%)
Finish26.22 mi1.02 mi25379+14310563+8410563+8420509(Top 72%)8407(Top 69%)8407(Top 154%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 94%
×21story building
+97ft-345ft

Overall

26794

Females

11249

F18-39

11249

5K→10K

3.1 - 6.2 mi

Top 95%
×5story building
+79ft-138ft

Overall

27042

Females

11395

F18-39

11395

10K→15K

6.2 - 9.3 mi

Top 94%
×3story building
+67ft-78ft

Overall

26794

Females

11249

F18-39

11249

15K→20K

9.3 - 12.4 mi

Top 95%
×5story building
+106ft-86ft

Overall

26861

Females

11309

F18-39

11309

20K→Half

12.4 - 13.1 mi

Top 93%
×2story building
+19ft-37ft

Overall

26303

Females

10996

F18-39

10996

Half→25K

13.1 - 15.5 mi

Top 93%
×4story building
+66ft-88ft

Overall

26415

Females

11086

F18-39

11086

25K→30K

15.5 - 18.6 mi

Top 87%
×9story building
+181ft-148ft

Overall

24651

Females

10209

F18-39

10209

30K→20M

18.6 - 20.0 mi

Top 86%
×5story building
+64ft-50ft

Overall

24343

Females

10139

F18-39

10139

20M→21M

20.0 - 21.0 mi

Top 85%
×8story building
+106ft-24ft

Overall

24167

Females

10119

F18-39

10119

21M→35K

21.0 - 21.8 mi

Top 73%
×7story building
+17ft-86ft

Overall

20873

Females

8443

F18-39

8443

35K→23M

21.8 - 23.0 mi

Top 74%
×5story building
+23ft-63ft

Overall

21125

Females

8624

F18-39

8624

23M→24M

23.0 - 24.0 mi

Top 72%
×6story building
+12ft-82ft

Overall

20423

Females

8315

F18-39

8315

24M→40K

24.0 - 24.9 mi

Top 72%
×1story
+6ft-20ft

Overall

20434

Females

8382

F18-39

8382

40K→25.2M

24.9 - 25.2 mi

Top 68%
×1story
+13ft-16ft

Overall

19383

Females

7871

F18-39

7871

25.2M→Finish

25.2 - 26.2 mi

Top 72%
×2story building
+22ft-21ft

Overall

20509

Females

8407

F18-39

8407

Passing Analysis

Category:
Athletes Passed
1851
Passed By
655
Net Change
+1196
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#26575
5K → 10K83354-271#26575#26846
10K → 15K129122+7#26846#26839
15K → 20K95117-22#26839#26861
20K → Half332+31#26861#26830
Half → 25K10644+62#26830#26768
25K → 30K3533+350#26768#26418
30K → 20M1521+151#26418#26267
20M → 21M10110+91#26267#26176
21M → 35K1320+132#26176#26044
35K → 23M1920+192#26044#25852
23M → 24M1340+134#25852#25718
24M → 40K1261+125#25718#25593
40K → 25.2M710+71#25593#25522
25.2M → Finish1441+143#25522#25379
TOTALS1851655+1196
📊

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