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BOSTON MARATHON 2026

Kimberly Rostvold

Bib: 18570•F

MN

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0:00
0:00
/ mi
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Overall
#0 / 29021
Top 29%
Gender (Female)
#0 / 12578
Top 12%
Age Group (F18-39)
#0 / 5716
Top 23%
Race Day Weather
51°/41°F
overcast clouds

Race Timeline and Course Information

Your journey through the course with elevation, pacing, and checkpoint details

⏱️ Race Timeline

Watch your race unfold from start to finish

Start
0:00:00
Race begins
5K
22:42
3.11 mi
Rank: #11109
Start → 5K
22:42 | 7:19/mi
10K
44:09
6.21 mi
Rank: #9381 (+1728)
5K → 10K
21:27 | 6:55/mi
15K
1:05:29
9.32 mi
Rank: #8755 (+626)
10K → 15K
21:20 | 6:52/mi
20K
1:27:20
12.43 mi
Rank: #8565 (+190)
15K → 20K
21:51 | 7:02/mi
HALF
1:32:05
13.11 mi
Rank: #8560 (+5)
20K → HALF
4:45 | 6:59/mi
25K
1:49:17
15.53 mi
Rank: #8432 (+128)
HALF → 25K
17:12 | 7:06/mi
30K
2:11:58
18.64 mi
Rank: #8279 (+153)
25K → 30K
22:41 | 7:19/mi
20M
2:21:54
20.00 mi
Rank: #8189 (+90)
30K → 20M
9:56 | 7:19/mi
21M
2:29:52
21.00 mi
Rank: #8225 (-36)
20M → 21M
7:58 | 7:58/mi
35K
2:35:19
21.75 mi
Rank: #8233 (-8)
21M → 35K
5:27 | 7:18/mi
23M
2:44:54
23.00 mi
Rank: #8279 (-46)
35K → 23M
9:35 | 7:40/mi
24M
2:52:29
24.00 mi
Rank: #8348 (-69)
23M → 24M
7:35 | 7:35/mi
40K
2:59:12
24.85 mi
Rank: #8426 (-78)
24M → 40K
6:43 | 7:52/mi
25.2M
3:02:07
25.20 mi
Rank: #8465 (-39)
40K → 25.2M
2:55 | 8:28/mi
FINISH
3:09:43
26.22 mi
Rank: #8532 (-67)
25.2M → FINISH
7:36 | 7:28/mi

Splits & Pacing

Detailed breakdown of your race performance at each timing point

Half Splits

1st HalfFaster
via HALF
Distance13.11 mi
Time1:32:05
Pace7:02 /mi
2nd Half
Distance13.11 mi
Time1:37:38
Pace7:27 /mi
📊Positive Split: 6.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:04:3822:427:1922:42
7:19
-
10K
6.21 mi11:26:0544:097:0721:27
6:55
-0:24
15K
9.32 mi11:47:251:05:297:0221:20
6:52
-0:03
20K
12.43 mi12:09:161:27:207:0221:51
7:02
+0:10
HALF
13.11 mi12:14:011:32:057:024:45
6:59
-0:03
25K
15.53 mi12:31:131:49:177:0317:12
7:06
+0:07
30K
18.64 mi12:53:542:11:587:0522:41
7:19
+0:13
20M
20.00 mi13:03:502:21:547:069:56
7:19
0:00
21M
21.00 mi13:11:482:29:527:097:58
7:58
+0:39
35K
21.75 mi13:17:152:35:197:095:27
7:18
-0:40
23M
23.00 mi13:26:502:44:547:119:35
7:40
+0:22
24M
24.00 mi13:34:252:52:297:127:35
7:35
-0:05
40K
24.85 mi13:41:082:59:127:136:43
7:52
+0:17
25.2M
25.20 mi13:44:033:02:077:142:55
8:28
+0:36
FINISH
26.22 mi13:51:393:09:437:157:36
7:28
-1:00

Checkpoint Splits Visualizations

Explore your race data through different visual perspectives. Scroll to discover each visualization.

📈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

6:52 /mi

Average Pace

7:14 /mi

Slowest Pace

8:28 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Bar length shows time spent in each segment. Colors mark your faster to slower segments, relative to your own pace.

Time at Faster Pace

1:26:35

46% of race

Time at Steady Pace

1:08:22

36% of race

Time at Slower Pace

34:46

18% of race

Average Pace: 7:14 /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

Enhanced split table showing pace trends through mini sparkline visualizations.

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi11:04:3822:427:1922:42
7:19
#11109
10K
6.21 mi11:26:0544:097:0721:27
6:55
#9381
15K
9.32 mi11:47:251:05:297:0221:20
6:52
#8755
20K
12.43 mi12:09:161:27:207:0221:51
7:02
#8565
HALF
13.11 mi12:14:011:32:057:024:45
6:59
#8560
25K
15.53 mi12:31:131:49:177:0317:12
7:06
#8432
30K
18.64 mi12:53:542:11:587:0522:41
7:19
#8279
20M
20.00 mi13:03:502:21:547:069:56
7:19
#8189
21M
21.00 mi13:11:482:29:527:097:58
7:58
#8225
35K
21.75 mi13:17:152:35:197:095:27
7:18
#8233
23M
23.00 mi13:26:502:44:547:119:35
7:40
#8279
24M
24.00 mi13:34:252:52:297:127:35
7:35
#8348
40K
24.85 mi13:41:082:59:127:136:43
7:52
#8426
25.2M
25.20 mi13:44:033:02:077:142:55
8:28
#8465
FINISH
26.22 mi13:51:393:09:437:157:36
7:28
#8532
Faster pace
Steady pace
Slower pace

Rankings

Your position at each checkpoint and how you ranked in each segment

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi11109241424147531(Top 26%)971(Top 8%)971(Top 17%)
10K6.21 mi3.10 mi9381+17281585+8291585+8297966(Top 27%)1078(Top 9%)1078(Top 19%)
15K9.32 mi3.11 mi8755+6261369+2161369+2167531(Top 26%)971(Top 8%)971(Top 17%)
20K12.43 mi3.11 mi8565+1901317+521317+528115(Top 28%)1190(Top 9%)1190(Top 21%)
HALF13.11 mi0.68 mi8560+51322-51322-58513(Top 29%)1316(Top 10%)1316(Top 23%)
25K15.53 mi2.42 mi8432+1281285+371285+378098(Top 28%)1269(Top 10%)1269(Top 22%)
30K18.64 mi3.11 mi8279+1531263+221263+228112(Top 28%)1420(Top 11%)1420(Top 25%)
20M20.00 mi1.36 mi8189+901248+151248+157776(Top 27%)1387(Top 11%)1387(Top 24%)
21M21.00 mi1.00 mi8225-361287-391287-399674(Top 33%)2330(Top 19%)2330(Top 41%)
35K21.75 mi0.75 mi8233-81306-191306-199227(Top 32%)2111(Top 17%)2111(Top 37%)
23M23.00 mi1.25 mi8279-461355-491355-499997(Top 34%)2584(Top 21%)2584(Top 45%)
24M24.00 mi1.00 mi8348-691416-611416-6110745(Top 37%)3029(Top 24%)3029(Top 53%)
40K24.85 mi0.85 mi8426-781484-681484-6811458(Top 39%)3481(Top 28%)3481(Top 61%)
25.2M25.20 mi0.35 mi8465-391512-281512-2811355(Top 39%)3511(Top 28%)3511(Top 61%)
FINISH26.22 mi1.02 mi8532-671567-551567-5511101(Top 38%)3387(Top 27%)3387(Top 59%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 26%
×21
+97ft-345ft

Overall

7531

Females

971

F18-39

971

5K→10K

3.1 - 6.2 mi

Top 27%
×5
+79ft-138ft

Overall

7966

Females

1078

F18-39

1078

10K→15K

6.2 - 9.3 mi

Top 26%
×3
+67ft-78ft

Overall

7531

Females

971

F18-39

971

15K→20K

9.3 - 12.4 mi

Top 28%
×5
+106ft-86ft

Overall

8115

Females

1190

F18-39

1190

20K→HALF

12.4 - 13.1 mi

Top 29%
×2
+19ft-37ft

Overall

8513

Females

1316

F18-39

1316

HALF→25K

13.1 - 15.5 mi

Top 28%
×4
+66ft-88ft

Overall

8098

Females

1269

F18-39

1269

25K→30K

15.5 - 18.6 mi

Top 28%
×9
+181ft-148ft

Overall

8112

Females

1420

F18-39

1420

30K→20M

18.6 - 20.0 mi

Top 27%
×5
+64ft-50ft

Overall

7776

Females

1387

F18-39

1387

20M→21M

20.0 - 21.0 mi

Top 33%
×8
+106ft-24ft

Overall

9674

Females

2330

F18-39

2330

21M→35K

21.0 - 21.8 mi

Top 32%
×7
+17ft-86ft

Overall

9227

Females

2111

F18-39

2111

35K→23M

21.8 - 23.0 mi

Top 34%
×5
+23ft-63ft

Overall

9997

Females

2584

F18-39

2584

23M→24M

23.0 - 24.0 mi

Top 37%
×6
+12ft-82ft

Overall

10745

Females

3029

F18-39

3029

24M→40K

24.0 - 24.9 mi

Top 39%
×1
+6ft-20ft

Overall

11458

Females

3481

F18-39

3481

40K→25.2M

24.9 - 25.2 mi

Top 39%
×1
+13ft-16ft

Overall

11355

Females

3511

F18-39

3511

25.2M→FINISH

25.2 - 26.2 mi

Top 38%
×2
+22ft-21ft

Overall

11101

Females

3387

F18-39

3387

Passing

Athletes you passed and who passed you throughout the race

Passing Analysis

Category:
Athletes Passed
3484*
Passed By
907
Net Change
+2577
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#11109
5K → 10K1735*7+1728#11109#9381
10K → 15K6348+626#9381#8755
15K → 20K23747+190#8755#8565
20K → HALF2318+5#8565#8560
HALF → 25K16941+128#8560#8432
25K → 30K22269+153#8432#8279
30K → 20M12131+90#8279#8189
20M → 21M6298-36#8189#8225
21M → 35K4553-8#8225#8233
35K → 23M67113-46#8233#8279
23M → 24M60129-69#8279#8348
24M → 40K45123-78#8348#8426
40K → 25.2M1958-39#8426#8465
25.2M → FINISH45112-67#8465#8532
TOTALS3484*907+2577

* Includes athletes who did not complete a segment (DNF/DNQ).

📊

Passing Analysis Visualizations

Explore your passing analysis through 5 different visualizations. Scroll to discover each one.

Time:
Category:

📈Position Graph

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🎨Heatmap Timeline

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Qualifying & Age Grade

See how your performance stacks up against qualifying standards

OTQ

Olympic Trials Qualifying analysis available

Activity Data

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing