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BOSTON MARATHON 2025

Annika Rollock

Bib: 13219•F

MA

0:00
0:00
/ mi
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Overall
#0 / 28404
Top 28%
Gender (Female)
#0 / 12228
Top 11%
Division (F18-39)
#0 / 5469
Top 20%
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
7:09/mi
22:13
↑ 97↓ 3451.5%
10K· 6.21 mi
7:13/mi
44:39
↑ 79↓ 1380.4%
15K· 9.32 mi
7:12/mi
1:07:02
↑ 67↓ 78
20K· 12.43 mi
7:14/mi
1:29:29
↑ 106↓ 860.1%
Half· 13.11 mi
7:07/mi
1:34:20
↑ 19↓ 370.5%
25K· 15.53 mi
7:17/mi
1:51:59
↑ 66↓ 880.2%
30K· 18.64 mi
7:25/mi
2:15:00
↑ 181↓ 1480.2%
20M
7:28/mi
2:25:09
↑ 64↓ 500.2%
21M
8:15/mi
2:33:24
↑ 106↓ 241.6%
35K· 21.75 mi
7:29/mi
2:39:00
↑ 17↓ 861.7%
23M
7:44/mi
2:48:41
↑ 23↓ 630.6%
24M
7:34/mi
2:56:15
↓ 821.3%
40K· 24.85 mi
7:40/mi
3:02:48
↓ 200.3%
25.2M
8:36/mi
3:05:46
↑ 13↓ 160.2%
Finish· 26.22 mi
7:06/mi
3:13:00
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:20
Pace7:12 /mi
2nd Half
Distance13.11 mi
Time1:38:40
Pace7:32 /mi
📊Positive Split: 4.6% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:52:2522:137:0922:13
7:09
-
10K
6.21 mi11:14:5144:397:1122:26
7:13
+0:04
15K
9.32 mi11:37:141:07:027:1222:23
7:12
-0:01
20K
12.43 mi11:59:411:29:297:1222:27
7:14
+0:02
Half
13.11 mi12:04:321:34:207:124:51
7:07
-0:07
25K
15.53 mi12:22:111:51:597:1317:39
7:17
+0:10
30K
18.64 mi12:45:122:15:007:1523:01
7:25
+0:08
20M
20.00 mi12:55:212:25:097:1510:09
7:28
+0:03
21M
21.00 mi13:03:362:33:247:188:15
8:15
+0:47
35K
21.75 mi13:09:122:39:007:195:36
7:29
-0:46
23M
23.00 mi13:18:532:48:417:209:41
7:44
+0:15
24M
24.00 mi13:26:272:56:157:217:34
7:34
-0:10
40K
24.85 mi13:33:003:02:487:216:33
7:40
+0:06
25.2M
25.20 mi13:35:583:05:467:222:58
8:36
+0:56
Finish
26.22 mi13:43:123:13:007:227:14
7:06
-1:30

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

7:06 /mi

Average Pace

7:22 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

56:41

29% of race

Time at Steady Pace

1:48:52

56% of race

Time at Slower Pace

27:27

14% of race

Average Pace: 7:22 /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 mi10:52:2522:137:0922:13
7:09
#9086
10K
6.21 mi11:14:5144:397:1122:26
7:13
#9345
15K
9.32 mi11:37:141:07:027:1222:23
7:12
#9270
20K
12.43 mi11:59:411:29:297:1222:27
7:14
#9003
Half
13.11 mi12:04:321:34:207:124:51
7:07
#8942
25K
15.53 mi12:22:111:51:597:1317:39
7:17
#8752
30K
18.64 mi12:45:122:15:007:1523:01
7:25
#8367
20M
20.00 mi12:55:212:25:097:1510:09
7:28
#8197
21M
21.00 mi13:03:362:33:247:188:15
8:15
#8179
35K
21.75 mi13:09:122:39:007:195:36
7:29
#8148
23M
23.00 mi13:18:532:48:417:209:41
7:44
#8097
24M
24.00 mi13:26:272:56:157:217:34
7:34
#8057
40K
24.85 mi13:33:003:02:487:216:33
7:40
#8019
25.2M
25.20 mi13:35:583:05:467:222:58
8:36
#8032
Finish
26.22 mi13:43:123:13:007:227:14
7:06
#7905
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi9086140414049183(Top 32%)1503(Top 12%)1503(Top 27%)
10K6.21 mi3.10 mi9345-2591518-1141518-1149673(Top 34%)1669(Top 14%)1669(Top 31%)
15K9.32 mi3.11 mi9270+751506+121506+129183(Top 32%)1503(Top 12%)1503(Top 27%)
20K12.43 mi3.11 mi9003+2671416+901416+908434(Top 30%)1287(Top 11%)1287(Top 24%)
Half13.11 mi0.68 mi8942+611391+251391+258419(Top 30%)1257(Top 10%)1257(Top 23%)
25K15.53 mi2.42 mi8752+1901341+501341+508223(Top 29%)1303(Top 11%)1303(Top 24%)
30K18.64 mi3.11 mi8367+3851244+971244+977113(Top 25%)1060(Top 9%)1060(Top 19%)
20M20.00 mi1.36 mi8197+1701213+311213+316831(Top 24%)1092(Top 9%)1092(Top 20%)
21M21.00 mi1.00 mi8179+181239-261239-268905(Top 31%)2110(Top 17%)2110(Top 39%)
35K21.75 mi0.75 mi8148+311248-91248-98532(Top 30%)1898(Top 16%)1898(Top 35%)
23M23.00 mi1.25 mi8097+511282-341282-348119(Top 29%)1865(Top 15%)1865(Top 34%)
24M24.00 mi1.00 mi8057+401302-201302-208180(Top 29%)1934(Top 16%)1934(Top 35%)
40K24.85 mi0.85 mi8019+381321-191321-197847(Top 28%)1912(Top 16%)1912(Top 35%)
25.2M25.20 mi0.35 mi8032-131333-121333-129452(Top 33%)2729(Top 22%)2729(Top 50%)
Finish26.22 mi1.02 mi7905+1271319+141319+146395(Top 23%)1396(Top 11%)1396(Top 26%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 32%
×21story building
+97ft-345ft

Overall

9183

Females

1503

F18-39

1503

5K→10K

3.1 - 6.2 mi

Top 34%
×5story building
+79ft-138ft

Overall

9673

Females

1669

F18-39

1669

10K→15K

6.2 - 9.3 mi

Top 32%
×3story building
+67ft-78ft

Overall

9183

Females

1503

F18-39

1503

15K→20K

9.3 - 12.4 mi

Top 30%
×5story building
+106ft-86ft

Overall

8434

Females

1287

F18-39

1287

20K→Half

12.4 - 13.1 mi

Top 30%
×2story building
+19ft-37ft

Overall

8419

Females

1257

F18-39

1257

Half→25K

13.1 - 15.5 mi

Top 29%
×4story building
+66ft-88ft

Overall

8223

Females

1303

F18-39

1303

25K→30K

15.5 - 18.6 mi

Top 25%
×9story building
+181ft-148ft

Overall

7113

Females

1060

F18-39

1060

30K→20M

18.6 - 20.0 mi

Top 24%
×5story building
+64ft-50ft

Overall

6831

Females

1092

F18-39

1092

20M→21M

20.0 - 21.0 mi

Top 31%
×8story building
+106ft-24ft

Overall

8905

Females

2110

F18-39

2110

21M→35K

21.0 - 21.8 mi

Top 30%
×7story building
+17ft-86ft

Overall

8532

Females

1898

F18-39

1898

35K→23M

21.8 - 23.0 mi

Top 29%
×5story building
+23ft-63ft

Overall

8119

Females

1865

F18-39

1865

23M→24M

23.0 - 24.0 mi

Top 29%
×6story building
+12ft-82ft

Overall

8180

Females

1934

F18-39

1934

24M→40K

24.0 - 24.9 mi

Top 28%
×1story
+6ft-20ft

Overall

7847

Females

1912

F18-39

1912

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9452

Females

2729

F18-39

2729

25.2M→Finish

25.2 - 26.2 mi

Top 23%
×2story building
+22ft-21ft

Overall

6395

Females

1396

F18-39

1396

Passing Analysis

Category:
Athletes Passed
2233
Passed By
1052
Net Change
+1181
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#9086
5K → 10K131390-259#9086#9345
10K → 15K195120+75#9345#9270
15K → 20K31346+267#9270#9003
20K → Half7211+61#9003#8942
Half → 25K24656+190#8942#8752
25K → 30K42944+385#8752#8367
30K → 20M19121+170#8367#8197
20M → 21M9880+18#8197#8179
21M → 35K7746+31#8179#8148
35K → 23M12877+51#8148#8097
23M → 24M9454+40#8097#8057
24M → 40K8143+38#8057#8019
40K → 25.2M2740-13#8019#8032
25.2M → Finish15124+127#8032#7905
TOTALS22331052+1181
📊

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