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BOSTON MARATHON 2025

Cristina Burbach

Bib: P142•F

VA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Masters (Masters Women)
#0 / 6759
Top 41%
Division (F50-54)
#0 / 1303
Top 35%
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
8:41/mi
26:58
↑ 97↓ 3451.5%
10K· 6.21 mi
8:30/mi
53:21
↑ 79↓ 1380.4%
15K· 9.32 mi
8:27/mi
1:19:37
↑ 67↓ 78
20K· 12.43 mi
8:06/mi
1:44:47
↑ 106↓ 860.1%
Half· 13.11 mi
8:01/mi
1:50:15
↑ 19↓ 370.5%
25K· 15.53 mi
8:15/mi
2:10:14
↑ 66↓ 880.2%
30K· 18.64 mi
8:23/mi
2:36:17
↑ 181↓ 1480.2%
20M
8:36/mi
2:47:58
↑ 64↓ 500.2%
21M
9:39/mi
2:57:37
↑ 106↓ 241.6%
35K· 21.75 mi
8:24/mi
3:03:54
↑ 17↓ 861.7%
23M
9:09/mi
3:15:21
↑ 23↓ 630.6%
24M
8:44/mi
3:24:05
↓ 821.3%
40K· 24.85 mi
9:13/mi
3:31:58
↓ 200.3%
25.2M
11:19/mi
3:35:52
↑ 13↓ 160.2%
Finish· 26.22 mi
10:02/mi
3:46:05
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:50:15
Pace8:25 /mi
2nd Half
Distance13.11 mi
Time1:55:50
Pace8:50 /mi
📊Positive Split: 5.1% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:17:0026:588:4126:58
8:41
-
10K
6.21 mi10:43:2353:218:3526:23
8:30
-0:11
15K
9.32 mi11:09:391:19:378:3326:16
8:27
-0:03
20K
12.43 mi11:34:491:44:478:2625:10
8:06
-0:21
Half
13.11 mi11:40:171:50:158:255:28
8:01
-0:05
25K
15.53 mi12:00:162:10:148:2319:59
8:15
+0:14
30K
18.64 mi12:26:192:36:178:2326:03
8:23
+0:08
20M
20.00 mi12:38:002:47:588:2411:41
8:36
+0:13
21M
21.00 mi12:47:392:57:378:279:39
9:39
+1:03
35K
21.75 mi12:53:563:03:548:276:17
8:24
-1:15
23M
23.00 mi13:05:233:15:218:3011:27
9:09
+0:45
24M
24.00 mi13:14:073:24:058:308:44
8:44
-0:25
40K
24.85 mi13:22:003:31:588:327:53
9:13
+0:29
25.2M
25.20 mi13:25:543:35:528:343:54
11:19
+2:06
Finish
26.22 mi13:36:073:46:058:3810:13
10:02
-1:17

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

8:01 /mi

Average Pace

8:38 /mi

Slowest Pace

11:19 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

30:38

14% of race

Time at Steady Pace

2:32:21

67% of race

Time at Slower Pace

43:06

19% of race

Average Pace: 8:37 /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 mi10:17:0026:588:4126:58
8:41
#20918
10K
6.21 mi10:43:2353:218:3526:23
8:30
#20322
15K
9.32 mi11:09:391:19:378:3326:16
8:27
#19933
20K
12.43 mi11:34:491:44:478:2625:10
8:06
#18841
Half
13.11 mi11:40:171:50:158:255:28
8:01
#18705
25K
15.53 mi12:00:162:10:148:2319:59
8:15
#18160
30K
18.64 mi12:26:192:36:178:2326:03
8:23
#17368
20M
20.00 mi12:38:002:47:588:2411:41
8:36
#17114
21M
21.00 mi12:47:392:57:378:279:39
9:39
#17081
35K
21.75 mi12:53:563:03:548:276:17
8:24
#16984
23M
23.00 mi13:05:233:15:218:3011:27
9:09
#16974
24M
24.00 mi13:14:073:24:058:308:44
8:44
#16911
40K
24.85 mi13:22:003:31:588:327:53
9:13
#16941
25.2M
25.20 mi13:25:543:35:528:343:54
11:19
#17061
Finish
26.22 mi13:36:073:46:058:3810:13
10:02
#17397
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi209188028802819062(Top 67%)6933(Top 57%)6933(Top 532%)
10K6.21 mi3.10 mi20322+5967661+3677661+36719747(Top 70%)7327(Top 60%)7327(Top 562%)
15K9.32 mi3.11 mi19933+3897431+2307431+23019062(Top 67%)6933(Top 57%)6933(Top 532%)
20K12.43 mi3.11 mi18841+10926815+6166815+61615663(Top 55%)5018(Top 41%)5018(Top 385%)
Half13.11 mi0.68 mi18705+1366739+766739+7616102(Top 57%)5263(Top 43%)5263(Top 404%)
25K15.53 mi2.42 mi18160+5456451+2886451+28815589(Top 55%)5073(Top 41%)5073(Top 389%)
30K18.64 mi3.11 mi17368+7926040+4116040+41114064(Top 50%)4411(Top 36%)4411(Top 339%)
20M20.00 mi1.36 mi17114+2545917+1235917+12314454(Top 51%)4764(Top 39%)4764(Top 366%)
21M21.00 mi1.00 mi17081+335929-125929-1216803(Top 59%)6152(Top 50%)6152(Top 472%)
35K21.75 mi0.75 mi16984+975888+415888+4114905(Top 52%)5194(Top 42%)5194(Top 399%)
23M23.00 mi1.25 mi16974+105916-285916-2817094(Top 60%)6504(Top 53%)6504(Top 499%)
24M24.00 mi1.00 mi16911+635907+95907+915959(Top 56%)5913(Top 48%)5913(Top 454%)
40K24.85 mi0.85 mi16941-305955-485955-4817464(Top 61%)6840(Top 56%)6840(Top 525%)
25.2M25.20 mi0.35 mi17061-1206042-876042-8721557(Top 76%)8926(Top 73%)8926(Top 685%)
Finish26.22 mi1.02 mi17397-3366256-2146256-21423017(Top 81%)9665(Top 79%)9665(Top 742%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 67%
×21story building
+97ft-345ft

Overall

19062

Females

6933

F50-54

6933

5K→10K

3.1 - 6.2 mi

Top 70%
×5story building
+79ft-138ft

Overall

19747

Females

7327

F50-54

7327

10K→15K

6.2 - 9.3 mi

Top 67%
×3story building
+67ft-78ft

Overall

19062

Females

6933

F50-54

6933

15K→20K

9.3 - 12.4 mi

Top 55%
×5story building
+106ft-86ft

Overall

15663

Females

5018

F50-54

5018

20K→Half

12.4 - 13.1 mi

Top 57%
×2story building
+19ft-37ft

Overall

16102

Females

5263

F50-54

5263

Half→25K

13.1 - 15.5 mi

Top 55%
×4story building
+66ft-88ft

Overall

15589

Females

5073

F50-54

5073

25K→30K

15.5 - 18.6 mi

Top 50%
×9story building
+181ft-148ft

Overall

14064

Females

4411

F50-54

4411

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

14454

Females

4764

F50-54

4764

20M→21M

20.0 - 21.0 mi

Top 59%
×8story building
+106ft-24ft

Overall

16803

Females

6152

F50-54

6152

21M→35K

21.0 - 21.8 mi

Top 52%
×7story building
+17ft-86ft

Overall

14905

Females

5194

F50-54

5194

35K→23M

21.8 - 23.0 mi

Top 60%
×5story building
+23ft-63ft

Overall

17094

Females

6504

F50-54

6504

23M→24M

23.0 - 24.0 mi

Top 56%
×6story building
+12ft-82ft

Overall

15959

Females

5913

F50-54

5913

24M→40K

24.0 - 24.9 mi

Top 61%
×1story
+6ft-20ft

Overall

17464

Females

6840

F50-54

6840

40K→25.2M

24.9 - 25.2 mi

Top 76%
×1story
+13ft-16ft

Overall

21557

Females

8926

F50-54

8926

25.2M→Finish

25.2 - 26.2 mi

Top 81%
×2story building
+22ft-21ft

Overall

23017

Females

9665

F50-54

9665

Passing Analysis

Category:
Athletes Passed
4536
Passed By
1015
Net Change
+3521
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#20918
5K → 10K69599+596#20918#20322
10K → 15K43041+389#20322#19933
15K → 20K10931+1092#19933#18841
20K → Half1404+136#18841#18705
Half → 25K5505+545#18705#18160
25K → 30K7953+792#18160#17368
30K → 20M2595+254#17368#17114
20M → 21M13299+33#17114#17081
21M → 35K11922+97#17081#16984
35K → 23M122112+10#16984#16974
23M → 24M10643+63#16974#16911
24M → 40K6696-30#16911#16941
40K → 25.2M16136-120#16941#17061
25.2M → Finish13349-336#17061#17397
TOTALS45361015+3521
📊

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