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BOSTON MARATHON 2025

Kristina Robb

NH

Bib: 10613 F

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 19%
Gender (Female)
#0 / 12228
Top 4%
Division (F18-39)
#0 / 5469
Top 8%
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
7:02/mi
21:51
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
6:53/mi
43:15
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
6:52/mi
1:04:34
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
6:50/mi
1:25:49
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
6:46/mi
1:30:26
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
6:53/mi
1:47:07
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
7:01/mi
2:08:56
↑ 181↓ 1480.2%
138 ft elev
20M
7:06/mi
2:18:35
↑ 64↓ 500.2%
148 ft elev
21M
7:28/mi
2:26:03
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
6:56/mi
2:31:14
↑ 17↓ 861.7%
156 ft elev
23M
7:06/mi
2:40:08
↑ 23↓ 630.6%
116 ft elev
24M
6:56/mi
2:47:04
↓ 821.3%
34 ft elev
40K· 24.85 mi
7:08/mi
2:53:10
↓ 200.3%
20 ft elev
25.2M
7:56/mi
2:55:54
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
7:08/mi
3:03:10
↑ 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 HalfFaster
Distance13.11 mi
Time1:30:26
Pace6:54 /mi
2nd Half
Distance13.11 mi
Time1:32:44
Pace7:04 /mi
📊Positive Split: 2.5% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:49:2121:517:0221:51
7:02
-
10K
6.21 mi11:10:4543:156:5821:24
6:53
-0:09
15K
9.32 mi11:32:041:04:346:5621:19
6:52
-0:01
20K
12.43 mi11:53:191:25:496:5421:15
6:50
-0:02
Half
13.11 mi11:57:561:30:266:544:37
6:46
-0:04
25K
15.53 mi12:14:371:47:076:5416:41
6:53
+0:07
30K
18.64 mi12:36:262:08:566:5521:49
7:01
+0:08
20M
20.00 mi12:46:052:18:356:569:39
7:06
+0:05
21M
21.00 mi12:53:332:26:036:577:28
7:28
+0:22
35K
21.75 mi12:58:442:31:146:575:11
6:56
-0:32
23M
23.00 mi13:07:382:40:086:588:54
7:06
+0:10
24M
24.00 mi13:14:342:47:046:586:56
6:56
-0:10
40K
24.85 mi13:20:402:53:106:586:06
7:08
+0:12
25.2M
25.20 mi13:23:242:55:546:592:44
7:56
+0:48
Finish
26.22 mi13:30:403:03:106:597:16
7:08
-0:48

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

6:46 /mi

Average Pace

6:59 /mi

Slowest Pace

7:56 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:52:58

94% of race

Time at Steady Pace

10:12

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:59 /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 mi10:49:2121:517:0221:51
7:02
#8086
10K
6.21 mi11:10:4543:156:5821:24
6:53
#7594
15K
9.32 mi11:32:041:04:346:5621:19
6:52
#7288
20K
12.43 mi11:53:191:25:496:5421:15
6:50
#6867
Half
13.11 mi11:57:561:30:266:544:37
6:46
#6822
25K
15.53 mi12:14:371:47:076:5416:41
6:53
#6542
30K
18.64 mi12:36:262:08:566:5521:49
7:01
#6085
20M
20.00 mi12:46:052:18:356:569:39
7:06
#5937
21M
21.00 mi12:53:332:26:036:577:28
7:28
#5783
35K
21.75 mi12:58:442:31:146:575:11
6:56
#5728
23M
23.00 mi13:07:382:40:086:588:54
7:06
#5569
24M
24.00 mi13:14:342:47:046:586:56
6:56
#5467
40K
24.85 mi13:20:402:53:106:586:06
7:08
#5394
25.2M
25.20 mi13:23:242:55:546:592:44
7:56
#5363
Finish
26.22 mi13:30:403:03:106:597:16
7:08
#5353
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8086100710076693(Top 24%)658(Top 5%)658(Top 12%)
10K6.21 mi3.10 mi7594+492857+150857+1507159(Top 25%)740(Top 6%)740(Top 14%)
15K9.32 mi3.11 mi7288+306773+84773+846693(Top 24%)658(Top 5%)658(Top 12%)
20K12.43 mi3.11 mi6867+421672+101672+1015712(Top 20%)492(Top 4%)492(Top 9%)
Half13.11 mi0.68 mi6822+45666+6666+65935(Top 21%)533(Top 4%)533(Top 10%)
25K15.53 mi2.42 mi6542+280628+38628+385531(Top 19%)503(Top 4%)503(Top 9%)
30K18.64 mi3.11 mi6085+457577+51577+514841(Top 17%)420(Top 3%)420(Top 8%)
20M20.00 mi1.36 mi5937+148550+27550+274700(Top 17%)438(Top 4%)438(Top 8%)
21M21.00 mi1.00 mi5783+154524+26524+264475(Top 16%)475(Top 4%)475(Top 9%)
35K21.75 mi0.75 mi5728+55521+3521+34956(Top 17%)587(Top 5%)587(Top 11%)
23M23.00 mi1.25 mi5569+159507+14507+144407(Top 16%)507(Top 4%)507(Top 9%)
24M24.00 mi1.00 mi5467+102498+9498+94294(Top 15%)516(Top 4%)516(Top 9%)
40K24.85 mi0.85 mi5394+73495+3495+34704(Top 17%)687(Top 6%)687(Top 13%)
25.2M25.20 mi0.35 mi5363+31498-3498-35609(Top 20%)1072(Top 9%)1072(Top 20%)
Finish26.22 mi1.02 mi5353+10511-13511-136586(Top 23%)1472(Top 12%)1472(Top 27%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 24%
×21story building
+97ft-345ft

Overall

6693

Females

658

F18-39

658

5K→10K

3.1 - 6.2 mi

Top 25%
×5story building
+79ft-138ft

Overall

7159

Females

740

F18-39

740

10K→15K

6.2 - 9.3 mi

Top 24%
×3story building
+67ft-78ft

Overall

6693

Females

658

F18-39

658

15K→20K

9.3 - 12.4 mi

Top 20%
×5story building
+106ft-86ft

Overall

5712

Females

492

F18-39

492

20K→Half

12.4 - 13.1 mi

Top 21%
×2story building
+19ft-37ft

Overall

5935

Females

533

F18-39

533

Half→25K

13.1 - 15.5 mi

Top 19%
×4story building
+66ft-88ft

Overall

5531

Females

503

F18-39

503

25K→30K

15.5 - 18.6 mi

Top 17%
×9story building
+181ft-148ft

Overall

4841

Females

420

F18-39

420

30K→20M

18.6 - 20.0 mi

Top 17%
×5story building
+64ft-50ft

Overall

4700

Females

438

F18-39

438

20M→21M

20.0 - 21.0 mi

Top 16%
×8story building
+106ft-24ft

Overall

4475

Females

475

F18-39

475

21M→35K

21.0 - 21.8 mi

Top 17%
×7story building
+17ft-86ft

Overall

4956

Females

587

F18-39

587

35K→23M

21.8 - 23.0 mi

Top 16%
×5story building
+23ft-63ft

Overall

4407

Females

507

F18-39

507

23M→24M

23.0 - 24.0 mi

Top 15%
×6story building
+12ft-82ft

Overall

4294

Females

516

F18-39

516

24M→40K

24.0 - 24.9 mi

Top 17%
×1story
+6ft-20ft

Overall

4704

Females

687

F18-39

687

40K→25.2M

24.9 - 25.2 mi

Top 20%
×1story
+13ft-16ft

Overall

5609

Females

1072

F18-39

1072

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6586

Females

1472

F18-39

1472

Passing Analysis

Category:
Athletes Passed
2968
Passed By
235
Net Change
+2733
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8086
5K → 10K54351+492#8086#7594
10K → 15K33428+306#7594#7288
15K → 20K43211+421#7288#6867
20K → Half472+45#6867#6822
Half → 25K29414+280#6822#6542
25K → 30K46811+457#6542#6085
30K → 20M16315+148#6085#5937
20M → 21M1617+154#5937#5783
21M → 35K7217+55#5783#5728
35K → 23M16910+159#5728#5569
23M → 24M1119+102#5569#5467
24M → 40K8411+73#5467#5394
40K → 25.2M387+31#5394#5363
25.2M → Finish5242+10#5363#5353
TOTALS2968235+2733
📊

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