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BOSTON MARATHON 2025

Christine Billman

CA

Bib: 21496 F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Gender (Female)
#0 / 12228
Top 44%
Masters (Masters Women)
#0 / 6759
Top 31%
Division (F50-54)
#0 / 1303
Top 23%
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
7:54/mi
24:34
↑ 97↓ 3451.5%
220 ft elev
10K· 6.21 mi
8:01/mi
49:28
↑ 79↓ 1380.4%
157 ft elev
15K· 9.32 mi
8:08/mi
1:14:43
↑ 67↓ 78
146 ft elev
20K· 12.43 mi
8:21/mi
1:40:41
↑ 106↓ 860.1%
165 ft elev
Half· 13.11 mi
7:58/mi
1:46:07
↑ 19↓ 370.5%
148 ft elev
25K· 15.53 mi
8:35/mi
2:06:55
↑ 66↓ 880.2%
127 ft elev
30K· 18.64 mi
8:43/mi
2:33:59
↑ 181↓ 1480.2%
138 ft elev
20M
8:35/mi
2:45:39
↑ 64↓ 500.2%
148 ft elev
21M
9:48/mi
2:55:27
↑ 106↓ 241.6%
227 ft elev
35K· 21.75 mi
8:17/mi
3:01:39
↑ 17↓ 861.7%
156 ft elev
23M
8:23/mi
3:12:09
↑ 23↓ 630.6%
116 ft elev
24M
8:24/mi
3:20:33
↓ 821.3%
34 ft elev
40K· 24.85 mi
8:28/mi
3:27:47
↓ 200.3%
20 ft elev
25.2M
10:29/mi
3:31:24
↑ 13↓ 160.2%
18 ft elev
Finish· 26.22 mi
8:22/mi
3:39:56
↑ 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
Time1:46:07
Pace8:06 /mi
2nd Half
Distance13.11 mi
Time1:53:49
Pace8:41 /mi
📊Positive Split: 7.3% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:19:0524:347:5424:34
7:54
-
10K
6.21 mi11:43:5949:287:5824:54
8:01
+0:07
15K
9.32 mi12:09:141:14:438:0125:15
8:08
+0:07
20K
12.43 mi12:35:121:40:418:0625:58
8:21
+0:13
Half
13.11 mi12:40:381:46:078:065:26
7:58
-0:23
25K
15.53 mi13:01:262:06:558:1020:48
8:35
+0:37
30K
18.64 mi13:28:302:33:598:1627:04
8:43
+0:08
20M
20.00 mi13:40:102:45:398:1711:40
8:35
-0:08
21M
21.00 mi13:49:582:55:278:219:48
9:48
+1:13
35K
21.75 mi13:56:103:01:398:216:12
8:17
-1:31
23M
23.00 mi14:06:403:12:098:2110:30
8:23
+0:06
24M
24.00 mi14:15:043:20:338:218:24
8:24
+0:01
40K
24.85 mi14:22:183:27:478:227:14
8:28
+0:04
25.2M
25.20 mi14:25:553:31:248:233:37
10:29
+2:01
Finish
26.22 mi14:34:273:39:568:248:32
8:22
-2:07

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

7:54 /mi

Average Pace

8:24 /mi

Slowest Pace

10:29 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

54:54

25% of race

Time at Steady Pace

2:31:37

69% of race

Time at Slower Pace

13:25

6% of race

Average Pace: 8:23 /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 mi11:19:0524:347:5424:34
7:54
#15783
10K
6.21 mi11:43:5949:287:5824:54
8:01
#16195
15K
9.32 mi12:09:141:14:438:0125:15
8:08
#16464
20K
12.43 mi12:35:121:40:418:0625:58
8:21
#16694
Half
13.11 mi12:40:381:46:078:065:26
7:58
#16631
25K
15.53 mi13:01:262:06:558:1020:48
8:35
#16776
30K
18.64 mi13:28:302:33:598:1627:04
8:43
#16595
20M
20.00 mi13:40:102:45:398:1711:40
8:35
#16379
21M
21.00 mi13:49:582:55:278:219:48
9:48
#16419
35K
21.75 mi13:56:103:01:398:216:12
8:17
#16301
23M
23.00 mi14:06:403:12:098:2110:30
8:23
#16036
24M
24.00 mi14:15:043:20:338:218:24
8:24
#15944
40K
24.85 mi14:22:183:27:478:227:14
8:28
#15816
25.2M
25.20 mi14:25:553:31:248:233:37
10:29
#15865
Finish
26.22 mi14:34:273:39:568:248:32
8:22
#15849
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF50-54Seg. OverallSeg. FemalesSeg. F50-54
5K3.11 mi3.11 mi15783501250121693356945694
10K6.21 mi3.10 mi16195-4125264-2525264-2521660554855485
15K9.32 mi3.11 mi16464-2695416-1525416-1521693356945694
20K12.43 mi3.11 mi16694-2305550-1345550-1341728859335933
Half13.11 mi0.68 mi16631+635524+265524+261568350035003
25K15.53 mi2.42 mi16776-1455632-1085632-1081767862346234
30K18.64 mi3.11 mi16595+1815579+535579+531607455055505
20M20.00 mi1.36 mi16379+2165483+965483+961436847084708
21M21.00 mi1.00 mi16419-405537-545537-541748865246524
35K21.75 mi0.75 mi16301+1185489+485489+481421548034803
23M23.00 mi1.25 mi16036+2655378+1115378+1111262640754075
24M24.00 mi1.00 mi15944+925344+345344+341392347904790
40K24.85 mi0.85 mi15816+1285297+475297+471322845734573
25.2M25.20 mi0.35 mi15865-495343-465343-461896676057605
Finish26.22 mi1.02 mi15849+165359-165359-161541056995699

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 60%
×21story building
+97ft-345ft

Overall

16933

Females

5694

F50-54

5694

5K→10K

3.1 - 6.2 mi

Top 58%
×5story building
+79ft-138ft

Overall

16605

Females

5485

F50-54

5485

10K→15K

6.2 - 9.3 mi

Top 60%
×3story building
+67ft-78ft

Overall

16933

Females

5694

F50-54

5694

15K→20K

9.3 - 12.4 mi

Top 61%
×5story building
+106ft-86ft

Overall

17288

Females

5933

F50-54

5933

20K→Half

12.4 - 13.1 mi

Top 55%
×2story building
+19ft-37ft

Overall

15683

Females

5003

F50-54

5003

Half→25K

13.1 - 15.5 mi

Top 62%
×4story building
+66ft-88ft

Overall

17678

Females

6234

F50-54

6234

25K→30K

15.5 - 18.6 mi

Top 57%
×9story building
+181ft-148ft

Overall

16074

Females

5505

F50-54

5505

30K→20M

18.6 - 20.0 mi

Top 51%
×5story building
+64ft-50ft

Overall

14368

Females

4708

F50-54

4708

20M→21M

20.0 - 21.0 mi

Top 62%
×8story building
+106ft-24ft

Overall

17488

Females

6524

F50-54

6524

21M→35K

21.0 - 21.8 mi

Top 50%
×7story building
+17ft-86ft

Overall

14215

Females

4803

F50-54

4803

35K→23M

21.8 - 23.0 mi

Top 44%
×5story building
+23ft-63ft

Overall

12626

Females

4075

F50-54

4075

23M→24M

23.0 - 24.0 mi

Top 49%
×6story building
+12ft-82ft

Overall

13923

Females

4790

F50-54

4790

24M→40K

24.0 - 24.9 mi

Top 47%
×1story
+6ft-20ft

Overall

13228

Females

4573

F50-54

4573

40K→25.2M

24.9 - 25.2 mi

Top 67%
×1story
+13ft-16ft

Overall

18966

Females

7605

F50-54

7605

25.2M→Finish

25.2 - 26.2 mi

Top 54%
×2story building
+22ft-21ft

Overall

15410

Females

5699

F50-54

5699

Passing Analysis

Category:
Athletes Passed
2009
Passed By
2075
Net Change
-66
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#15783
5K → 10K170582-412#15783#16195
10K → 15K126395-269#16195#16464
15K → 20K135365-230#16464#16694
20K → Half7512+63#16694#16631
Half → 25K113258-145#16631#16776
25K → 30K306125+181#16776#16595
30K → 20M23519+216#16595#16379
20M → 21M98138-40#16379#16419
21M → 35K12911+118#16419#16301
35K → 23M2716+265#16301#16036
23M → 24M11624+92#16036#15944
24M → 40K14315+128#15944#15816
40K → 25.2M1968-49#15816#15865
25.2M → Finish7357+16#15865#15849
TOTALS20092075-66

Passing Charts

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