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BOSTON MARATHON 2025

Brigitta Sinaga

Bib: 17391•F

AB

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
7:03/mi
21:53
↑ 97↓ 3451.5%
10K· 6.21 mi
7:05/mi
43:52
↑ 79↓ 1380.4%
15K· 9.32 mi
7:16/mi
1:06:28
↑ 67↓ 78
20K· 12.43 mi
7:26/mi
1:29:33
↑ 106↓ 860.1%
Half· 13.11 mi
7:18/mi
1:34:32
↑ 19↓ 370.5%
25K· 15.53 mi
7:25/mi
1:52:32
↑ 66↓ 880.2%
30K· 18.64 mi
7:43/mi
2:16:32
↑ 181↓ 1480.2%
20M
7:38/mi
2:26:54
↑ 64↓ 500.2%
21M
8:03/mi
2:34:57
↑ 106↓ 241.6%
35K· 21.75 mi
7:14/mi
2:40:22
↑ 17↓ 861.7%
23M
7:28/mi
2:49:43
↑ 23↓ 630.6%
24M
6:59/mi
2:56:42
↓ 821.3%
40K· 24.85 mi
7:21/mi
3:02:59
↓ 200.3%
25.2M
7:58/mi
3:05:44
↑ 13↓ 160.2%
Finish· 26.22 mi
6:54/mi
3:12:46
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:34:32
Pace7:13 /mi
2nd Half
Distance13.11 mi
Time1:38:14
Pace7:30 /mi
📊Positive Split: 3.9% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:12:1521:537:0321:53
7:03
-
10K
6.21 mi11:34:1443:527:0421:59
7:05
+0:02
15K
9.32 mi11:56:501:06:287:0822:36
7:16
+0:11
20K
12.43 mi12:19:551:29:337:1223:05
7:26
+0:10
Half
13.11 mi12:24:541:34:327:134:59
7:18
-0:08
25K
15.53 mi12:42:541:52:327:1518:00
7:25
+0:07
30K
18.64 mi13:06:542:16:327:1924:00
7:43
+0:18
20M
20.00 mi13:17:162:26:547:2110:22
7:38
-0:05
21M
21.00 mi13:25:192:34:577:238:03
8:03
+0:25
35K
21.75 mi13:30:442:40:227:225:25
7:14
-0:49
23M
23.00 mi13:40:052:49:437:239:21
7:28
+0:14
24M
24.00 mi13:47:042:56:427:226:59
6:59
-0:29
40K
24.85 mi13:53:213:02:597:226:17
7:21
+0:22
25.2M
25.20 mi13:56:063:05:447:222:45
7:58
+0:37
Finish
26.22 mi14:03:083:12:467:217:02
6:54
-1:04

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

6:54 /mi

Average Pace

7:21 /mi

Slowest Pace

8:03 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

2:27:36

77% of race

Time at Steady Pace

45:10

23% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:21 /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 mi11:12:1521:537:0321:53
7:03
#8179
10K
6.21 mi11:34:1443:527:0421:59
7:05
#8350
15K
9.32 mi11:56:501:06:287:0822:36
7:16
#8756
20K
12.43 mi12:19:551:29:337:1223:05
7:26
#9042
Half
13.11 mi12:24:541:34:327:134:59
7:18
#9092
25K
15.53 mi12:42:541:52:327:1518:00
7:25
#9070
30K
18.64 mi13:06:542:16:327:1924:00
7:43
#9054
20M
20.00 mi13:17:162:26:547:2110:22
7:38
#8912
21M
21.00 mi13:25:192:34:577:238:03
8:03
#8789
35K
21.75 mi13:30:442:40:227:225:25
7:14
#8688
23M
23.00 mi13:40:052:49:437:239:21
7:28
#8453
24M
24.00 mi13:47:042:56:427:226:59
6:59
#8203
40K
24.85 mi13:53:213:02:597:226:17
7:21
#8075
25.2M
25.20 mi13:56:063:05:447:222:45
7:58
#8018
Finish
26.22 mi14:03:083:12:467:217:02
6:54
#7824
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF18-39Seg. OverallSeg. FemalesSeg. F18-39
5K3.11 mi3.11 mi8179104710479779(Top 34%)1781(Top 15%)1781(Top 33%)
10K6.21 mi3.10 mi8350-1711125-781125-788485(Top 30%)1178(Top 10%)1178(Top 22%)
15K9.32 mi3.11 mi8756-4061297-1721297-1729779(Top 34%)1781(Top 15%)1781(Top 33%)
20K12.43 mi3.11 mi9042-2861434-1371434-13710161(Top 36%)2028(Top 17%)2028(Top 37%)
Half13.11 mi0.68 mi9092-501453-191453-1910054(Top 35%)1960(Top 16%)1960(Top 36%)
25K15.53 mi2.42 mi9070+221479-261479-269338(Top 33%)1784(Top 15%)1784(Top 33%)
30K18.64 mi3.11 mi9054+161534-551534-559366(Top 33%)1985(Top 16%)1985(Top 36%)
20M20.00 mi1.36 mi8912+1421498+361498+367915(Top 28%)1507(Top 12%)1507(Top 28%)
21M21.00 mi1.00 mi8789+1231481+171481+177658(Top 27%)1567(Top 13%)1567(Top 29%)
35K21.75 mi0.75 mi8688+1011463+181463+186894(Top 24%)1245(Top 10%)1245(Top 23%)
23M23.00 mi1.25 mi8453+2351417+461417+466474(Top 23%)1182(Top 10%)1182(Top 22%)
24M24.00 mi1.00 mi8203+2501351+661351+664586(Top 16%)611(Top 5%)611(Top 11%)
40K24.85 mi0.85 mi8075+1281338+131338+135949(Top 21%)1119(Top 9%)1119(Top 20%)
25.2M25.20 mi0.35 mi8018+571326+121326+125872(Top 21%)1198(Top 10%)1198(Top 22%)
Finish26.22 mi1.02 mi7824+1941288+381288+385140(Top 18%)913(Top 7%)913(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 34%
×21story building
+97ft-345ft

Overall

9779

Females

1781

F18-39

1781

5K→10K

3.1 - 6.2 mi

Top 30%
×5story building
+79ft-138ft

Overall

8485

Females

1178

F18-39

1178

10K→15K

6.2 - 9.3 mi

Top 34%
×3story building
+67ft-78ft

Overall

9779

Females

1781

F18-39

1781

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

10161

Females

2028

F18-39

2028

20K→Half

12.4 - 13.1 mi

Top 35%
×2story building
+19ft-37ft

Overall

10054

Females

1960

F18-39

1960

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

9338

Females

1784

F18-39

1784

25K→30K

15.5 - 18.6 mi

Top 33%
×9story building
+181ft-148ft

Overall

9366

Females

1985

F18-39

1985

30K→20M

18.6 - 20.0 mi

Top 28%
×5story building
+64ft-50ft

Overall

7915

Females

1507

F18-39

1507

20M→21M

20.0 - 21.0 mi

Top 27%
×8story building
+106ft-24ft

Overall

7658

Females

1567

F18-39

1567

21M→35K

21.0 - 21.8 mi

Top 24%
×7story building
+17ft-86ft

Overall

6894

Females

1245

F18-39

1245

35K→23M

21.8 - 23.0 mi

Top 23%
×5story building
+23ft-63ft

Overall

6474

Females

1182

F18-39

1182

23M→24M

23.0 - 24.0 mi

Top 16%
×6story building
+12ft-82ft

Overall

4586

Females

611

F18-39

611

24M→40K

24.0 - 24.9 mi

Top 21%
×1story
+6ft-20ft

Overall

5949

Females

1119

F18-39

1119

40K→25.2M

24.9 - 25.2 mi

Top 21%
×1story
+13ft-16ft

Overall

5872

Females

1198

F18-39

1198

25.2M→Finish

25.2 - 26.2 mi

Top 18%
×2story building
+22ft-21ft

Overall

5140

Females

913

F18-39

913

Passing Analysis

Category:
Athletes Passed
2069
Passed By
1714
Net Change
+355
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#8179
5K → 10K143314-171#8179#8350
10K → 15K62468-406#8350#8756
15K → 20K96382-286#8756#9042
20K → Half1969-50#9042#9092
Half → 25K166144+22#9092#9070
25K → 30K229213+16#9070#9054
30K → 20M17735+142#9054#8912
20M → 21M16441+123#8912#8789
21M → 35K11211+101#8789#8688
35K → 23M24712+235#8688#8453
23M → 24M2511+250#8453#8203
24M → 40K1379+128#8203#8075
40K → 25.2M636+57#8075#8018
25.2M → Finish2039+194#8018#7824
TOTALS20691714+355
📊

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