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BOSTON MARATHON 2025

Carmen Montana-Schalk

Bib: 19721•F

TX

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 49%
Gender (Female)
#0 / 12228
Top 35%
Masters (Masters Women)
#0 / 6759
Top 20%
Division (F45-49)
#0 / 1813
Top 23%
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
7:55/mi
24:36
↑ 97↓ 3451.5%
10K· 6.21 mi
7:50/mi
48:57
↑ 79↓ 1380.4%
15K· 9.32 mi
7:53/mi
1:13:25
↑ 67↓ 78
20K· 12.43 mi
7:55/mi
1:38:01
↑ 106↓ 860.1%
Half· 13.11 mi
7:50/mi
1:43:22
↑ 19↓ 370.5%
25K· 15.53 mi
8:00/mi
2:02:45
↑ 66↓ 880.2%
30K· 18.64 mi
8:14/mi
2:28:20
↑ 181↓ 1480.2%
20M
8:26/mi
2:39:47
↑ 64↓ 500.2%
21M
8:58/mi
2:48:45
↑ 106↓ 241.6%
35K· 21.75 mi
8:09/mi
2:54:51
↑ 17↓ 861.7%
23M
8:30/mi
3:05:30
↑ 23↓ 630.6%
24M
8:17/mi
3:13:47
↓ 821.3%
40K· 24.85 mi
8:18/mi
3:20:53
↓ 200.3%
25.2M
9:08/mi
3:24:02
↑ 13↓ 160.2%
Finish· 26.22 mi
8:03/mi
3:32:14
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:43:22
Pace7:53 /mi
2nd Half
Distance13.11 mi
Time1:48:52
Pace8:18 /mi
📊Positive Split: 5.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:16:1924:367:5524:36
7:55
-
10K
6.21 mi11:40:4048:577:5324:21
7:50
-0:05
15K
9.32 mi12:05:081:13:257:5324:28
7:53
+0:03
20K
12.43 mi12:29:441:38:017:5324:36
7:55
+0:02
Half
13.11 mi12:35:051:43:227:535:21
7:50
-0:05
25K
15.53 mi12:54:282:02:457:5419:23
8:00
+0:10
30K
18.64 mi13:20:032:28:207:5725:35
8:14
+0:14
20M
20.00 mi13:31:302:39:477:5911:27
8:26
+0:12
21M
21.00 mi13:40:282:48:458:028:58
8:58
+0:32
35K
21.75 mi13:46:342:54:518:026:06
8:09
-0:49
23M
23.00 mi13:57:133:05:308:0410:39
8:30
+0:21
24M
24.00 mi14:05:303:13:478:048:17
8:17
-0:13
40K
24.85 mi14:12:363:20:538:057:06
8:18
+0:01
25.2M
25.20 mi14:15:453:24:028:063:09
9:08
+0:50
Finish
26.22 mi14:23:573:32:148:068:12
8:03
-1:05

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

7:50 /mi

Average Pace

8:06 /mi

Slowest Pace

9:08 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:20:07

94% of race

Time at Steady Pace

12:07

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 8:06 /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 mi11:16:1924:367:5524:36
7:55
#15881
10K
6.21 mi11:40:4048:577:5324:21
7:50
#15471
15K
9.32 mi12:05:081:13:257:5324:28
7:53
#15308
20K
12.43 mi12:29:441:38:017:5324:36
7:55
#14975
Half
13.11 mi12:35:051:43:227:535:21
7:50
#14964
25K
15.53 mi12:54:282:02:457:5419:23
8:00
#14734
30K
18.64 mi13:20:032:28:207:5725:35
8:14
#14348
20M
20.00 mi13:31:302:39:477:5911:27
8:26
#14229
21M
21.00 mi13:40:282:48:458:028:58
8:58
#14146
35K
21.75 mi13:46:342:54:518:026:06
8:09
#14092
23M
23.00 mi13:57:133:05:308:0410:39
8:30
#14063
24M
24.00 mi14:05:303:13:478:048:17
8:17
#14014
40K
24.85 mi14:12:363:20:538:057:06
8:18
#13902
25.2M
25.20 mi14:15:453:24:028:063:09
9:08
#13860
Finish
26.22 mi14:23:573:32:148:068:12
8:03
#13814
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF45-49Seg. OverallSeg. FemalesSeg. F45-49
5K3.11 mi3.11 mi158815065506515055(Top 53%)4607(Top 38%)4607(Top 254%)
10K6.21 mi3.10 mi15471+4104817+2484817+24815170(Top 53%)4645(Top 38%)4645(Top 256%)
15K9.32 mi3.11 mi15308+1634736+814736+8115055(Top 53%)4607(Top 38%)4607(Top 254%)
20K12.43 mi3.11 mi14975+3334570+1664570+16614268(Top 50%)4232(Top 35%)4232(Top 233%)
Half13.11 mi0.68 mi14964+114571-14571-114657(Top 52%)4424(Top 36%)4424(Top 244%)
25K15.53 mi2.42 mi14734+2304465+1064465+10613860(Top 49%)4140(Top 34%)4140(Top 228%)
30K18.64 mi3.11 mi14348+3864309+1564309+15613077(Top 46%)3874(Top 32%)3874(Top 214%)
20M20.00 mi1.36 mi14229+1194262+474262+4713328(Top 47%)4152(Top 34%)4152(Top 229%)
21M21.00 mi1.00 mi14146+834247+154247+1513329(Top 47%)4282(Top 35%)4282(Top 236%)
35K21.75 mi0.75 mi14092+544238+94238+913334(Top 47%)4333(Top 35%)4333(Top 239%)
23M23.00 mi1.25 mi14063+294256-184256-1813364(Top 47%)4460(Top 36%)4460(Top 246%)
24M24.00 mi1.00 mi14014+494273-174273-1713163(Top 46%)4402(Top 36%)4402(Top 243%)
40K24.85 mi0.85 mi13902+1124240+334240+3312197(Top 43%)4019(Top 33%)4019(Top 222%)
25.2M25.20 mi0.35 mi13860+424228+124228+1212622(Top 44%)4301(Top 35%)4301(Top 237%)
Finish26.22 mi1.02 mi13814+464219+94219+913219(Top 47%)4559(Top 37%)4559(Top 251%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 53%
×21story building
+97ft-345ft

Overall

15055

Females

4607

F45-49

4607

5K→10K

3.1 - 6.2 mi

Top 53%
×5story building
+79ft-138ft

Overall

15170

Females

4645

F45-49

4645

10K→15K

6.2 - 9.3 mi

Top 53%
×3story building
+67ft-78ft

Overall

15055

Females

4607

F45-49

4607

15K→20K

9.3 - 12.4 mi

Top 50%
×5story building
+106ft-86ft

Overall

14268

Females

4232

F45-49

4232

20K→Half

12.4 - 13.1 mi

Top 52%
×2story building
+19ft-37ft

Overall

14657

Females

4424

F45-49

4424

Half→25K

13.1 - 15.5 mi

Top 49%
×4story building
+66ft-88ft

Overall

13860

Females

4140

F45-49

4140

25K→30K

15.5 - 18.6 mi

Top 46%
×9story building
+181ft-148ft

Overall

13077

Females

3874

F45-49

3874

30K→20M

18.6 - 20.0 mi

Top 47%
×5story building
+64ft-50ft

Overall

13328

Females

4152

F45-49

4152

20M→21M

20.0 - 21.0 mi

Top 47%
×8story building
+106ft-24ft

Overall

13329

Females

4282

F45-49

4282

21M→35K

21.0 - 21.8 mi

Top 47%
×7story building
+17ft-86ft

Overall

13334

Females

4333

F45-49

4333

35K→23M

21.8 - 23.0 mi

Top 47%
×5story building
+23ft-63ft

Overall

13364

Females

4460

F45-49

4460

23M→24M

23.0 - 24.0 mi

Top 46%
×6story building
+12ft-82ft

Overall

13163

Females

4402

F45-49

4402

24M→40K

24.0 - 24.9 mi

Top 43%
×1story
+6ft-20ft

Overall

12197

Females

4019

F45-49

4019

40K→25.2M

24.9 - 25.2 mi

Top 44%
×1story
+13ft-16ft

Overall

12622

Females

4301

F45-49

4301

25.2M→Finish

25.2 - 26.2 mi

Top 47%
×2story building
+22ft-21ft

Overall

13219

Females

4559

F45-49

4559

Passing Analysis

Category:
Athletes Passed
2951
Passed By
884
Net Change
+2067
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15881
5K → 10K562152+410#15881#15471
10K → 15K272109+163#15471#15308
15K → 20K38350+333#15308#14975
20K → Half4837+11#14975#14964
Half → 25K29161+230#14964#14734
25K → 30K45367+386#14734#14348
30K → 20M16647+119#14348#14229
20M → 21M15976+83#14229#14146
21M → 35K9137+54#14146#14092
35K → 23M12697+29#14092#14063
23M → 24M11263+49#14063#14014
24M → 40K14129+112#14014#13902
40K → 25.2M5614+42#13902#13860
25.2M → Finish9145+46#13860#13814
TOTALS2951884+2067
📊

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