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BOSTON MARATHON 2025

Therese Anderbro

Bib: 20031•F

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 34%
Gender (Female)
#0 / 12228
Top 17%
Masters (Masters Women)
#0 / 6759
Top 6%
Division (F55-59)
#0 / 994
Top 1%
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
7:29/mi
23:15
↑ 97↓ 3451.5%
10K· 6.21 mi
7:25/mi
46:16
↑ 79↓ 1380.4%
15K· 9.32 mi
7:24/mi
1:09:16
↑ 67↓ 78
20K· 12.43 mi
7:26/mi
1:32:23
↑ 106↓ 860.1%
Half· 13.11 mi
7:18/mi
1:37:22
↑ 19↓ 370.5%
25K· 15.53 mi
7:25/mi
1:55:20
↑ 66↓ 880.2%
30K· 18.64 mi
7:40/mi
2:19:09
↑ 181↓ 1480.2%
20M
7:45/mi
2:29:41
↑ 64↓ 500.2%
21M
8:11/mi
2:37:52
↑ 106↓ 241.6%
35K· 21.75 mi
7:33/mi
2:43:31
↑ 17↓ 861.7%
23M
7:51/mi
2:53:21
↑ 23↓ 630.6%
24M
7:47/mi
3:01:08
↓ 821.3%
40K· 24.85 mi
7:50/mi
3:07:50
↓ 200.3%
25.2M
8:36/mi
3:10:48
↑ 13↓ 160.2%
Finish· 26.22 mi
7:38/mi
3:18:35
↑ 22↓ 21

The Course

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Half Splits

1st Half· via HalfFaster
Distance13.11 mi
Time1:37:22
Pace7:26 /mi
2nd Half
Distance13.11 mi
Time1:41:13
Pace7:43 /mi
📊Positive Split: 4.0% slower second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi11:14:3323:157:2923:15
7:29
-
10K
6.21 mi11:37:3446:167:2723:01
7:25
-0:04
15K
9.32 mi12:00:341:09:167:2623:00
7:24
-0:01
20K
12.43 mi12:23:411:32:237:2623:07
7:26
+0:02
Half
13.11 mi12:28:401:37:227:264:59
7:18
-0:08
25K
15.53 mi12:46:381:55:207:2517:58
7:25
+0:07
30K
18.64 mi13:10:272:19:097:2823:49
7:40
+0:15
20M
20.00 mi13:20:592:29:417:2910:32
7:45
+0:05
21M
21.00 mi13:29:102:37:527:318:11
8:11
+0:26
35K
21.75 mi13:34:492:43:317:315:39
7:33
-0:38
23M
23.00 mi13:44:392:53:217:329:50
7:51
+0:18
24M
24.00 mi13:52:263:01:087:337:47
7:47
-0:04
40K
24.85 mi13:59:083:07:507:336:42
7:50
+0:03
25.2M
25.20 mi14:02:063:10:487:342:58
8:36
+0:46
Finish
26.22 mi14:09:533:18:357:357:47
7:38
-0:58

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

7:18 /mi

Average Pace

7:35 /mi

Slowest Pace

8:36 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

3:07:26

94% of race

Time at Steady Pace

11:09

6% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 7:34 /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 mi11:14:3323:157:2923:15
7:29
#12096
10K
6.21 mi11:37:3446:167:2723:01
7:25
#11665
15K
9.32 mi12:00:341:09:167:2623:00
7:24
#11365
20K
12.43 mi12:23:411:32:237:2623:07
7:26
#11053
Half
13.11 mi12:28:401:37:227:264:59
7:18
#10997
25K
15.53 mi12:46:381:55:207:2517:58
7:25
#10659
30K
18.64 mi13:10:272:19:097:2823:49
7:40
#10269
20M
20.00 mi13:20:592:29:417:2910:32
7:45
#10099
21M
21.00 mi13:29:102:37:527:318:11
8:11
#9969
35K
21.75 mi13:34:492:43:317:315:39
7:33
#9907
23M
23.00 mi13:44:392:53:217:329:50
7:51
#9816
24M
24.00 mi13:52:263:01:087:337:47
7:47
#9791
40K
24.85 mi13:59:083:07:507:336:42
7:50
#9727
25.2M
25.20 mi14:02:063:10:487:342:58
8:36
#9707
Finish
26.22 mi14:09:533:18:357:357:47
7:38
#9713
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallFemalesF55-59Seg. OverallSeg. FemalesSeg. F55-59
5K3.11 mi3.11 mi120962845284510923(Top 38%)2332(Top 19%)2332(Top 235%)
10K6.21 mi3.10 mi11665+4312629+2162629+21611271(Top 40%)2450(Top 20%)2450(Top 246%)
15K9.32 mi3.11 mi11365+3002506+1232506+12310923(Top 38%)2332(Top 19%)2332(Top 235%)
20K12.43 mi3.11 mi11053+3122368+1382368+13810258(Top 36%)2085(Top 17%)2085(Top 210%)
Half13.11 mi0.68 mi10997+562337+312337+3110106(Top 36%)2012(Top 16%)2012(Top 202%)
25K15.53 mi2.42 mi10659+3382208+1292208+1299260(Top 33%)1756(Top 14%)1756(Top 177%)
30K18.64 mi3.11 mi10269+3902084+1242084+1248969(Top 32%)1826(Top 15%)1826(Top 184%)
20M20.00 mi1.36 mi10099+1702036+482036+488743(Top 31%)1855(Top 15%)1855(Top 187%)
21M21.00 mi1.00 mi9969+1302013+232013+238509(Top 30%)1944(Top 16%)1944(Top 196%)
35K21.75 mi0.75 mi9907+622014-12014-19048(Top 32%)2142(Top 18%)2142(Top 215%)
23M23.00 mi1.25 mi9816+912016-22016-28979(Top 32%)2245(Top 18%)2245(Top 226%)
24M24.00 mi1.00 mi9791+252042-262042-269700(Top 34%)2654(Top 22%)2654(Top 267%)
40K24.85 mi0.85 mi9727+642043-12043-19054(Top 32%)2475(Top 20%)2475(Top 249%)
25.2M25.20 mi0.35 mi9707+202051-82051-89470(Top 33%)2747(Top 22%)2747(Top 276%)
Finish26.22 mi1.02 mi9713-62099-482099-4810232(Top 36%)3092(Top 25%)3092(Top 311%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 38%
×21story building
+97ft-345ft

Overall

10923

Females

2332

F55-59

2332

5K→10K

3.1 - 6.2 mi

Top 40%
×5story building
+79ft-138ft

Overall

11271

Females

2450

F55-59

2450

10K→15K

6.2 - 9.3 mi

Top 38%
×3story building
+67ft-78ft

Overall

10923

Females

2332

F55-59

2332

15K→20K

9.3 - 12.4 mi

Top 36%
×5story building
+106ft-86ft

Overall

10258

Females

2085

F55-59

2085

20K→Half

12.4 - 13.1 mi

Top 36%
×2story building
+19ft-37ft

Overall

10106

Females

2012

F55-59

2012

Half→25K

13.1 - 15.5 mi

Top 33%
×4story building
+66ft-88ft

Overall

9260

Females

1756

F55-59

1756

25K→30K

15.5 - 18.6 mi

Top 32%
×9story building
+181ft-148ft

Overall

8969

Females

1826

F55-59

1826

30K→20M

18.6 - 20.0 mi

Top 31%
×5story building
+64ft-50ft

Overall

8743

Females

1855

F55-59

1855

20M→21M

20.0 - 21.0 mi

Top 30%
×8story building
+106ft-24ft

Overall

8509

Females

1944

F55-59

1944

21M→35K

21.0 - 21.8 mi

Top 32%
×7story building
+17ft-86ft

Overall

9048

Females

2142

F55-59

2142

35K→23M

21.8 - 23.0 mi

Top 32%
×5story building
+23ft-63ft

Overall

8979

Females

2245

F55-59

2245

23M→24M

23.0 - 24.0 mi

Top 34%
×6story building
+12ft-82ft

Overall

9700

Females

2654

F55-59

2654

24M→40K

24.0 - 24.9 mi

Top 32%
×1story
+6ft-20ft

Overall

9054

Females

2475

F55-59

2475

40K→25.2M

24.9 - 25.2 mi

Top 33%
×1story
+13ft-16ft

Overall

9470

Females

2747

F55-59

2747

25.2M→Finish

25.2 - 26.2 mi

Top 36%
×2story building
+22ft-21ft

Overall

10232

Females

3092

F55-59

3092

Passing Analysis

Category:
Athletes Passed
3049
Passed By
665
Net Change
+2383
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#12096
5K → 10K535104+431#12096#11665
10K → 15K35858+300#11665#11365
15K → 20K35139+312#11365#11053
20K → Half7014+56#11053#10997
Half → 25K35719+338#10997#10659
25K → 30K43444+390#10659#10269
30K → 20M20838+170#10269#10099
20M → 21M17848+130#10099#9969
21M → 35K9734+62#9969#9907
35K → 23M14756+91#9907#9816
23M → 24M9469+25#9816#9791
24M → 40K9733+64#9791#9727
40K → 25.2M4929+20#9727#9707
25.2M → Finish7480-6#9707#9713
TOTALS3049665+2383
📊

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