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BOSTON MARATHON 2025

Bailey Ness

Bib: 3562•F

CO

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 10%
Gender (Female)
#0 / 12228
Top 1%
Division (F18-39)
#0 / 5469
Top 3%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Course Elevation
7–469 ft
≈
×2stacked redwood trees
•▲ 890 ft climb · ▼ 1342 ft descent
Ribbon color based on
FasterSteadySlower· vs. your average pace
Start
0:00
Race begins
5K· 3.11 mi
6:36/mi
20:30
↑ 97↓ 3451.5%
10K· 6.21 mi
6:40/mi
41:14
↑ 79↓ 1380.4%
15K· 9.32 mi
6:35/mi
1:01:41
↑ 67↓ 78
20K· 12.43 mi
6:26/mi
1:21:41
↑ 106↓ 860.1%
Half· 13.11 mi
6:24/mi
1:26:03
↑ 19↓ 370.5%
25K· 15.53 mi
6:23/mi
1:41:31
↑ 66↓ 880.2%
30K· 18.64 mi
6:32/mi
2:01:50
↑ 181↓ 1480.2%
20M
6:43/mi
2:10:58
↑ 64↓ 500.2%
21M
7:15/mi
2:18:13
↑ 106↓ 241.6%
35K· 21.75 mi
6:44/mi
2:23:15
↑ 17↓ 861.7%
23M
6:50/mi
2:31:48
↑ 23↓ 630.6%
24M
6:47/mi
2:38:35
↓ 821.3%
40K· 24.85 mi
6:56/mi
2:44:31
↓ 200.3%
25.2M
7:41/mi
2:47:10
↑ 13↓ 160.2%
Finish· 26.22 mi
6:34/mi
2:53:51
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:26:03
Pace6:34 /mi
2nd Half
Distance13.11 mi
Time1:27:48
Pace6:42 /mi
📊Positive Split: 2.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:26:0320:306:3620:30
6:36
-
10K
6.21 mi10:46:4741:146:3820:44
6:40
+0:04
15K
9.32 mi11:07:141:01:416:3720:27
6:35
-0:05
20K
12.43 mi11:27:141:21:416:3420:00
6:26
-0:09
Half
13.11 mi11:31:361:26:036:344:22
6:24
-0:02
25K
15.53 mi11:47:041:41:316:3215:28
6:23
-0:01
30K
18.64 mi12:07:232:01:506:3220:19
6:32
+0:09
20M
20.00 mi12:16:312:10:586:339:08
6:43
+0:11
21M
21.00 mi12:23:462:18:136:357:15
7:15
+0:32
35K
21.75 mi12:28:482:23:156:355:02
6:44
-0:31
23M
23.00 mi12:37:212:31:486:368:33
6:50
+0:06
24M
24.00 mi12:44:082:38:356:366:47
6:47
-0:03
40K
24.85 mi12:50:042:44:316:375:56
6:56
+0:09
25.2M
25.20 mi12:52:432:47:106:382:39
7:41
+0:45
Finish
26.22 mi12:59:242:53:516:386:41
6:34
-1:07

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

6:23 /mi

Average Pace

6:38 /mi

Slowest Pace

7:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

39:50

23% of race

Time at Steady Pace

1:49:38

63% of race

Time at Slower Pace

24:23

14% of race

Average Pace: 6:38 /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 mi10:26:0320:306:3620:30
6:36
#4600
10K
6.21 mi10:46:4741:146:3820:44
6:40
#4795
15K
9.32 mi11:07:141:01:416:3720:27
6:35
#4532
20K
12.43 mi11:27:141:21:416:3420:00
6:26
#3968
Half
13.11 mi11:31:361:26:036:344:22
6:24
#3909
25K
15.53 mi11:47:041:41:316:3215:28
6:23
#3612
30K
18.64 mi12:07:232:01:506:3220:19
6:32
#3248
20M
20.00 mi12:16:312:10:586:339:08
6:43
#3154
21M
21.00 mi12:23:462:18:136:357:15
7:15
#3119
35K
21.75 mi12:28:482:23:156:355:02
6:44
#3116
23M
23.00 mi12:37:212:31:486:368:33
6:50
#3051
24M
24.00 mi12:44:082:38:356:366:47
6:47
#3027
40K
24.85 mi12:50:042:44:316:375:56
6:56
#3010
25.2M
25.20 mi12:52:432:47:106:382:39
7:41
#3008
Finish
26.22 mi12:59:242:53:516:386:41
6:34
#2976
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi46002722724105(Top 14%)235(Top 2%)235(Top 4%)
10K6.21 mi3.10 mi4795-195301-29301-295121(Top 18%)340(Top 3%)340(Top 6%)
15K9.32 mi3.11 mi4532+263267+34267+344105(Top 14%)235(Top 2%)235(Top 4%)
20K12.43 mi3.11 mi3968+564224+43224+432757(Top 10%)126(Top 1%)126(Top 2%)
Half13.11 mi0.68 mi3909+59221+3221+33120(Top 11%)144(Top 1%)144(Top 3%)
25K15.53 mi2.42 mi3612+297191+30191+302275(Top 8%)106(Top 0.9%)106(Top 2%)
30K18.64 mi3.11 mi3248+364161+30161+302162(Top 8%)109(Top 0.9%)109(Top 2%)
20M20.00 mi1.36 mi3154+94159+2159+22577(Top 9%)144(Top 1%)144(Top 3%)
21M21.00 mi1.00 mi3119+351591593411(Top 12%)269(Top 2%)269(Top 5%)
35K21.75 mi0.75 mi3116+3158+1158+13730(Top 13%)344(Top 3%)344(Top 6%)
23M23.00 mi1.25 mi3051+65157+1157+12872(Top 10%)230(Top 2%)230(Top 4%)
24M24.00 mi1.00 mi3027+241571573440(Top 12%)337(Top 3%)337(Top 6%)
40K24.85 mi0.85 mi3010+17161-4161-43598(Top 13%)393(Top 3%)393(Top 7%)
25.2M25.20 mi0.35 mi3008+21611614313(Top 15%)635(Top 5%)635(Top 12%)
Finish26.22 mi1.02 mi2976+32162-1162-13133(Top 11%)337(Top 3%)337(Top 6%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21story building
+97ft-345ft

Overall

4105

Females

235

F18-39

235

5K→10K

3.1 - 6.2 mi

Top 18%
×5story building
+79ft-138ft

Overall

5121

Females

340

F18-39

340

10K→15K

6.2 - 9.3 mi

Top 14%
×3story building
+67ft-78ft

Overall

4105

Females

235

F18-39

235

15K→20K

9.3 - 12.4 mi

Top 10%
×5story building
+106ft-86ft

Overall

2757

Females

126

F18-39

126

20K→Half

12.4 - 13.1 mi

Top 11%
×2story building
+19ft-37ft

Overall

3120

Females

144

F18-39

144

Half→25K

13.1 - 15.5 mi

Top 8%
×4story building
+66ft-88ft

Overall

2275

Females

106

F18-39

106

25K→30K

15.5 - 18.6 mi

Top 8%
×9story building
+181ft-148ft

Overall

2162

Females

109

F18-39

109

30K→20M

18.6 - 20.0 mi

Top 9%
×5story building
+64ft-50ft

Overall

2577

Females

144

F18-39

144

20M→21M

20.0 - 21.0 mi

Top 12%
×8story building
+106ft-24ft

Overall

3411

Females

269

F18-39

269

21M→35K

21.0 - 21.8 mi

Top 13%
×7story building
+17ft-86ft

Overall

3730

Females

344

F18-39

344

35K→23M

21.8 - 23.0 mi

Top 10%
×5story building
+23ft-63ft

Overall

2872

Females

230

F18-39

230

23M→24M

23.0 - 24.0 mi

Top 12%
×6story building
+12ft-82ft

Overall

3440

Females

337

F18-39

337

24M→40K

24.0 - 24.9 mi

Top 13%
×1story
+6ft-20ft

Overall

3598

Females

393

F18-39

393

40K→25.2M

24.9 - 25.2 mi

Top 15%
×1story
+13ft-16ft

Overall

4313

Females

635

F18-39

635

25.2M→Finish

25.2 - 26.2 mi

Top 11%
×2story building
+22ft-21ft

Overall

3133

Females

337

F18-39

337

Passing Analysis

Category:
Athletes Passed
2138
Passed By
514
Net Change
+1624
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4600
5K → 10K97292-195#4600#4795
10K → 15K28320+263#4795#4532
15K → 20K5640+564#4532#3968
20K → Half601+59#3968#3909
Half → 25K3003+297#3909#3612
25K → 30K3673+364#3612#3248
30K → 20M10410+94#3248#3154
20M → 21M6126+35#3154#3119
21M → 35K3128+3#3119#3116
35K → 23M9530+65#3116#3051
23M → 24M5228+24#3051#3027
24M → 40K4528+17#3027#3010
40K → 25.2M2119+2#3010#3008
25.2M → Finish5826+32#3008#2976
TOTALS2138514+1624
📊

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